Home / 27,942.24-38,559.84-15,366.72

Finding the Fourth Proportional to 27,942.24, 38,559.84 and 15,366.72

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Solution

The fourth proportional to 27,942.24, 38,559.84 and 15,366.72 is: 21,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.24 : 38,559.84 = 15,366.72 : x
  2. Step 2: Convert to fraction form
    27,942.24/38,559.84 = 15,366.72/x
  3. Step 3: Cross multiply
    27,942.24x = 38,559.84 × 15,366.72
  4. Step 4: Simplify right side
    27,942.24x = 592,538,264.52
  5. Step 5: Solve for x
    x = 592,538,264.52/27,942.24
  6. Step 6: Final answer
    x = 21,205.83

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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.