Home / 25,415.24-38,116.19-7,641.14

Finding the Fourth Proportional to 25,415.24, 38,116.19 and 7,641.14

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Solution

The fourth proportional to 25,415.24, 38,116.19 and 7,641.14 is: 11,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.24 : 38,116.19 = 7,641.14 : x
  2. Step 2: Convert to fraction form
    25,415.24/38,116.19 = 7,641.14/x
  3. Step 3: Cross multiply
    25,415.24x = 38,116.19 × 7,641.14
  4. Step 4: Simplify right side
    25,415.24x = 291,250,972.58
  5. Step 5: Solve for x
    x = 291,250,972.58/25,415.24
  6. Step 6: Final answer
    x = 11,459.70

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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.