Home / 25,577.16-38,293.60-13,542.04

Finding the Fourth Proportional to 25,577.16, 38,293.60 and 13,542.04

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Solution

The fourth proportional to 25,577.16, 38,293.60 and 13,542.04 is: 20,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.16 : 38,293.60 = 13,542.04 : x
  2. Step 2: Convert to fraction form
    25,577.16/38,293.60 = 13,542.04/x
  3. Step 3: Cross multiply
    25,577.16x = 38,293.60 × 13,542.04
  4. Step 4: Simplify right side
    25,577.16x = 518,573,462.94
  5. Step 5: Solve for x
    x = 518,573,462.94/25,577.16
  6. Step 6: Final answer
    x = 20,274.86

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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.