Home / 42,275.93-63,408.42-15,977.25

Finding the Fourth Proportional to 42,275.93, 63,408.42 and 15,977.25

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Solution

The fourth proportional to 42,275.93, 63,408.42 and 15,977.25 is: 23,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,275.93 : 63,408.42 = 15,977.25 : x
  2. Step 2: Convert to fraction form
    42,275.93/63,408.42 = 15,977.25/x
  3. Step 3: Cross multiply
    42,275.93x = 63,408.42 × 15,977.25
  4. Step 4: Simplify right side
    42,275.93x = 1,013,092,178.45
  5. Step 5: Solve for x
    x = 1,013,092,178.45/42,275.93
  6. Step 6: Final answer
    x = 23,963.81

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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.