Home / 52,258.62-72,117.29-28,385.29

Finding the Fourth Proportional to 52,258.62, 72,117.29 and 28,385.29

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Solution

The fourth proportional to 52,258.62, 72,117.29 and 28,385.29 is: 39,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.62 : 72,117.29 = 28,385.29 : x
  2. Step 2: Convert to fraction form
    52,258.62/72,117.29 = 28,385.29/x
  3. Step 3: Cross multiply
    52,258.62x = 72,117.29 × 28,385.29
  4. Step 4: Simplify right side
    52,258.62x = 2,047,070,190.66
  5. Step 5: Solve for x
    x = 2,047,070,190.66/52,258.62
  6. Step 6: Final answer
    x = 39,171.91

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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.