Home / 27,712.28-41,574.25-8,990.85

Finding the Fourth Proportional to 27,712.28, 41,574.25 and 8,990.85

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Solution

The fourth proportional to 27,712.28, 41,574.25 and 8,990.85 is: 13,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.28 : 41,574.25 = 8,990.85 : x
  2. Step 2: Convert to fraction form
    27,712.28/41,574.25 = 8,990.85/x
  3. Step 3: Cross multiply
    27,712.28x = 41,574.25 × 8,990.85
  4. Step 4: Simplify right side
    27,712.28x = 373,787,845.61
  5. Step 5: Solve for x
    x = 373,787,845.61/27,712.28
  6. Step 6: Final answer
    x = 13,488.17

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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.