Home / 27,354.87-37,753.20-15,421.14

Finding the Fourth Proportional to 27,354.87, 37,753.20 and 15,421.14

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Solution

The fourth proportional to 27,354.87, 37,753.20 and 15,421.14 is: 21,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.87 : 37,753.20 = 15,421.14 : x
  2. Step 2: Convert to fraction form
    27,354.87/37,753.20 = 15,421.14/x
  3. Step 3: Cross multiply
    27,354.87x = 37,753.20 × 15,421.14
  4. Step 4: Simplify right side
    27,354.87x = 582,197,382.65
  5. Step 5: Solve for x
    x = 582,197,382.65/27,354.87
  6. Step 6: Final answer
    x = 21,283.13

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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.