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Finding the Fourth Proportional to 60,157.71, 90,257.52 and 26,881.29

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Solution

The fourth proportional to 60,157.71, 90,257.52 and 26,881.29 is: 40,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,157.71 : 90,257.52 = 26,881.29 : x
  2. Step 2: Convert to fraction form
    60,157.71/90,257.52 = 26,881.29/x
  3. Step 3: Cross multiply
    60,157.71x = 90,257.52 × 26,881.29
  4. Step 4: Simplify right side
    60,157.71x = 2,426,238,569.80
  5. Step 5: Solve for x
    x = 2,426,238,569.80/60,157.71
  6. Step 6: Final answer
    x = 40,331.30

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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.