Home / 42,276.43-63,409.17-15,977.75

Finding the Fourth Proportional to 42,276.43, 63,409.17 and 15,977.75

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Solution

The fourth proportional to 42,276.43, 63,409.17 and 15,977.75 is: 23,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,276.43 : 63,409.17 = 15,977.75 : x
  2. Step 2: Convert to fraction form
    42,276.43/63,409.17 = 15,977.75/x
  3. Step 3: Cross multiply
    42,276.43x = 63,409.17 × 15,977.75
  4. Step 4: Simplify right side
    42,276.43x = 1,013,135,865.97
  5. Step 5: Solve for x
    x = 1,013,135,865.97/42,276.43
  6. Step 6: Final answer
    x = 23,964.56

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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.