Home / 42,277.35-63,376.80-15,608.61

Finding the Fourth Proportional to 42,277.35, 63,376.80 and 15,608.61

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Solution

The fourth proportional to 42,277.35, 63,376.80 and 15,608.61 is: 23,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.35 : 63,376.80 = 15,608.61 : x
  2. Step 2: Convert to fraction form
    42,277.35/63,376.80 = 15,608.61/x
  3. Step 3: Cross multiply
    42,277.35x = 63,376.80 × 15,608.61
  4. Step 4: Simplify right side
    42,277.35x = 989,223,695.72
  5. Step 5: Solve for x
    x = 989,223,695.72/42,277.35
  6. Step 6: Final answer
    x = 23,398.43

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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.