Home / 27,500.76-37,951.92-15,563.88

Finding the Fourth Proportional to 27,500.76, 37,951.92 and 15,563.88

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Solution

The fourth proportional to 27,500.76, 37,951.92 and 15,563.88 is: 21,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.76 : 37,951.92 = 15,563.88 : x
  2. Step 2: Convert to fraction form
    27,500.76/37,951.92 = 15,563.88/x
  3. Step 3: Cross multiply
    27,500.76x = 37,951.92 × 15,563.88
  4. Step 4: Simplify right side
    27,500.76x = 590,679,128.65
  5. Step 5: Solve for x
    x = 590,679,128.65/27,500.76
  6. Step 6: Final answer
    x = 21,478.65

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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.