Home / 25,539.96-35,246.17-15,462.69

Finding the Fourth Proportional to 25,539.96, 35,246.17 and 15,462.69

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Solution

The fourth proportional to 25,539.96, 35,246.17 and 15,462.69 is: 21,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.96 : 35,246.17 = 15,462.69 : x
  2. Step 2: Convert to fraction form
    25,539.96/35,246.17 = 15,462.69/x
  3. Step 3: Cross multiply
    25,539.96x = 35,246.17 × 15,462.69
  4. Step 4: Simplify right side
    25,539.96x = 545,000,600.40
  5. Step 5: Solve for x
    x = 545,000,600.40/25,539.96
  6. Step 6: Final answer
    x = 21,339.13

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Half scale
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Double scale
Find fourth proportional to 25,540.96, 35,247.55 and 15,463.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.