Home / 42,277.50-63,426.78-15,982.38

Finding the Fourth Proportional to 42,277.50, 63,426.78 and 15,982.38

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Solution

The fourth proportional to 42,277.50, 63,426.78 and 15,982.38 is: 23,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.50 : 63,426.78 = 15,982.38 : x
  2. Step 2: Convert to fraction form
    42,277.50/63,426.78 = 15,982.38/x
  3. Step 3: Cross multiply
    42,277.50x = 63,426.78 × 15,982.38
  4. Step 4: Simplify right side
    42,277.50x = 1,013,710,900.14
  5. Step 5: Solve for x
    x = 1,013,710,900.14/42,277.50
  6. Step 6: Final answer
    x = 23,977.55

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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.