Home / 25,432.17-38,159.79-11,390.71

Finding the Fourth Proportional to 25,432.17, 38,159.79 and 11,390.71

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Solution

The fourth proportional to 25,432.17, 38,159.79 and 11,390.71 is: 17,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.17 : 38,159.79 = 11,390.71 : x
  2. Step 2: Convert to fraction form
    25,432.17/38,159.79 = 11,390.71/x
  3. Step 3: Cross multiply
    25,432.17x = 38,159.79 × 11,390.71
  4. Step 4: Simplify right side
    25,432.17x = 434,667,101.55
  5. Step 5: Solve for x
    x = 434,667,101.55/25,432.17
  6. Step 6: Final answer
    x = 17,091.23

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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.