Home / 42,008.61-63,021.56-28,867.17

Finding the Fourth Proportional to 42,008.61, 63,021.56 and 28,867.17

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Solution

The fourth proportional to 42,008.61, 63,021.56 and 28,867.17 is: 43,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.61 : 63,021.56 = 28,867.17 : x
  2. Step 2: Convert to fraction form
    42,008.61/63,021.56 = 28,867.17/x
  3. Step 3: Cross multiply
    42,008.61x = 63,021.56 × 28,867.17
  4. Step 4: Simplify right side
    42,008.61x = 1,819,253,941.85
  5. Step 5: Solve for x
    x = 1,819,253,941.85/42,008.61
  6. Step 6: Final answer
    x = 43,306.69

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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.