Home / 25,470.18-35,149.14-14,139.90

Finding the Fourth Proportional to 25,470.18, 35,149.14 and 14,139.90

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Solution

The fourth proportional to 25,470.18, 35,149.14 and 14,139.90 is: 19,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.18 : 35,149.14 = 14,139.90 : x
  2. Step 2: Convert to fraction form
    25,470.18/35,149.14 = 14,139.90/x
  3. Step 3: Cross multiply
    25,470.18x = 35,149.14 × 14,139.90
  4. Step 4: Simplify right side
    25,470.18x = 497,005,324.69
  5. Step 5: Solve for x
    x = 497,005,324.69/25,470.18
  6. Step 6: Final answer
    x = 19,513.22

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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.