Home / 42,539.10-63,768.15-15,877.95

Finding the Fourth Proportional to 42,539.10, 63,768.15 and 15,877.95

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Solution

The fourth proportional to 42,539.10, 63,768.15 and 15,877.95 is: 23,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.10 : 63,768.15 = 15,877.95 : x
  2. Step 2: Convert to fraction form
    42,539.10/63,768.15 = 15,877.95/x
  3. Step 3: Cross multiply
    42,539.10x = 63,768.15 × 15,877.95
  4. Step 4: Simplify right side
    42,539.10x = 1,012,507,497.29
  5. Step 5: Solve for x
    x = 1,012,507,497.29/42,539.10
  6. Step 6: Final answer
    x = 23,801.81

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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.