Home / 89,618.38-134,427.57-27,288.88

Finding the Fourth Proportional to 89,618.38, 134,427.57 and 27,288.88

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Solution

The fourth proportional to 89,618.38, 134,427.57 and 27,288.88 is: 40,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.38 : 134,427.57 = 27,288.88 : x
  2. Step 2: Convert to fraction form
    89,618.38/134,427.57 = 27,288.88/x
  3. Step 3: Cross multiply
    89,618.38x = 134,427.57 × 27,288.88
  4. Step 4: Simplify right side
    89,618.38x = 3,668,377,826.42
  5. Step 5: Solve for x
    x = 3,668,377,826.42/89,618.38
  6. Step 6: Final answer
    x = 40,933.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.