Home / 27,632.94-38,132.10-15,694.71

Finding the Fourth Proportional to 27,632.94, 38,132.10 and 15,694.71

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Solution

The fourth proportional to 27,632.94, 38,132.10 and 15,694.71 is: 21,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.94 : 38,132.10 = 15,694.71 : x
  2. Step 2: Convert to fraction form
    27,632.94/38,132.10 = 15,694.71/x
  3. Step 3: Cross multiply
    27,632.94x = 38,132.10 × 15,694.71
  4. Step 4: Simplify right side
    27,632.94x = 598,472,251.19
  5. Step 5: Solve for x
    x = 598,472,251.19/27,632.94
  6. Step 6: Final answer
    x = 21,657.93

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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.