Home / 27,337.20-37,728.92-15,402.84

Finding the Fourth Proportional to 27,337.20, 37,728.92 and 15,402.84

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Solution

The fourth proportional to 27,337.20, 37,728.92 and 15,402.84 is: 21,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.20 : 37,728.92 = 15,402.84 : x
  2. Step 2: Convert to fraction form
    27,337.20/37,728.92 = 15,402.84/x
  3. Step 3: Cross multiply
    27,337.20x = 37,728.92 × 15,402.84
  4. Step 4: Simplify right side
    27,337.20x = 581,132,518.13
  5. Step 5: Solve for x
    x = 581,132,518.13/27,337.20
  6. Step 6: Final answer
    x = 21,257.94

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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.