Home / 52,789.76-72,849.88-28,916.88

Finding the Fourth Proportional to 52,789.76, 72,849.88 and 28,916.88

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Solution

The fourth proportional to 52,789.76, 72,849.88 and 28,916.88 is: 39,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.76 : 72,849.88 = 28,916.88 : x
  2. Step 2: Convert to fraction form
    52,789.76/72,849.88 = 28,916.88/x
  3. Step 3: Cross multiply
    52,789.76x = 72,849.88 × 28,916.88
  4. Step 4: Simplify right side
    52,789.76x = 2,106,591,237.97
  5. Step 5: Solve for x
    x = 2,106,591,237.97/52,789.76
  6. Step 6: Final answer
    x = 39,905.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.