Home / 27,151.68-37,470.24-15,215.52

Finding the Fourth Proportional to 27,151.68, 37,470.24 and 15,215.52

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Solution

The fourth proportional to 27,151.68, 37,470.24 and 15,215.52 is: 20,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.68 : 37,470.24 = 15,215.52 : x
  2. Step 2: Convert to fraction form
    27,151.68/37,470.24 = 15,215.52/x
  3. Step 3: Cross multiply
    27,151.68x = 37,470.24 × 15,215.52
  4. Step 4: Simplify right side
    27,151.68x = 570,129,186.12
  5. Step 5: Solve for x
    x = 570,129,186.12/27,151.68
  6. Step 6: Final answer
    x = 20,997.93

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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.