Home / 25,528.40-38,292.58-7,998.22

Finding the Fourth Proportional to 25,528.40, 38,292.58 and 7,998.22

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Solution

The fourth proportional to 25,528.40, 38,292.58 and 7,998.22 is: 11,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.40 : 38,292.58 = 7,998.22 : x
  2. Step 2: Convert to fraction form
    25,528.40/38,292.58 = 7,998.22/x
  3. Step 3: Cross multiply
    25,528.40x = 38,292.58 × 7,998.22
  4. Step 4: Simplify right side
    25,528.40x = 306,272,479.21
  5. Step 5: Solve for x
    x = 306,272,479.21/25,528.40
  6. Step 6: Final answer
    x = 11,997.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 25,529.40, 38,294.08 and 7,999.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.