Home / 52,255.97-72,111.80-28,382.65

Finding the Fourth Proportional to 52,255.97, 72,111.80 and 28,382.65

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Solution

The fourth proportional to 52,255.97, 72,111.80 and 28,382.65 is: 39,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.97 : 72,111.80 = 28,382.65 : x
  2. Step 2: Convert to fraction form
    52,255.97/72,111.80 = 28,382.65/x
  3. Step 3: Cross multiply
    52,255.97x = 72,111.80 × 28,382.65
  4. Step 4: Simplify right side
    52,255.97x = 2,046,723,670.57
  5. Step 5: Solve for x
    x = 2,046,723,670.57/52,255.97
  6. Step 6: Final answer
    x = 39,167.27

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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.