Home / 42,743.40-63,957.90-26,677.15

Finding the Fourth Proportional to 42,743.40, 63,957.90 and 26,677.15

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Solution

The fourth proportional to 42,743.40, 63,957.90 and 26,677.15 is: 39,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,743.40 : 63,957.90 = 26,677.15 : x
  2. Step 2: Convert to fraction form
    42,743.40/63,957.90 = 26,677.15/x
  3. Step 3: Cross multiply
    42,743.40x = 63,957.90 × 26,677.15
  4. Step 4: Simplify right side
    42,743.40x = 1,706,214,432.13
  5. Step 5: Solve for x
    x = 1,706,214,432.13/42,743.40
  6. Step 6: Final answer
    x = 39,917.61

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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.