Home / 42,587.89-63,816.12-26,972.71

Finding the Fourth Proportional to 42,587.89, 63,816.12 and 26,972.71

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Solution

The fourth proportional to 42,587.89, 63,816.12 and 26,972.71 is: 40,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.89 : 63,816.12 = 26,972.71 : x
  2. Step 2: Convert to fraction form
    42,587.89/63,816.12 = 26,972.71/x
  3. Step 3: Cross multiply
    42,587.89x = 63,816.12 × 26,972.71
  4. Step 4: Simplify right side
    42,587.89x = 1,721,293,698.09
  5. Step 5: Solve for x
    x = 1,721,293,698.09/42,587.89
  6. Step 6: Final answer
    x = 40,417.44

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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.