Home / 27,587.92-38,072.19-15,651.76

Finding the Fourth Proportional to 27,587.92, 38,072.19 and 15,651.76

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Solution

The fourth proportional to 27,587.92, 38,072.19 and 15,651.76 is: 21,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.92 : 38,072.19 = 15,651.76 : x
  2. Step 2: Convert to fraction form
    27,587.92/38,072.19 = 15,651.76/x
  3. Step 3: Cross multiply
    27,587.92x = 38,072.19 × 15,651.76
  4. Step 4: Simplify right side
    27,587.92x = 595,896,780.55
  5. Step 5: Solve for x
    x = 595,896,780.55/27,587.92
  6. Step 6: Final answer
    x = 21,599.92

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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.