Home / 27,924-38,535.20-15,987.52

Finding the Fourth Proportional to 27,924, 38,535.20 and 15,987.52

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Solution

The fourth proportional to 27,924, 38,535.20 and 15,987.52 is: 22,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924 : 38,535.20 = 15,987.52 : x
  2. Step 2: Convert to fraction form
    27,924/38,535.20 = 15,987.52/x
  3. Step 3: Cross multiply
    27,924x = 38,535.20 × 15,987.52
  4. Step 4: Simplify right side
    27,924x = 616,082,280.70
  5. Step 5: Solve for x
    x = 616,082,280.70/27,924
  6. Step 6: Final answer
    x = 22,062.82

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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.