Home / 27,966.47-38,593.73-15,391.13

Finding the Fourth Proportional to 27,966.47, 38,593.73 and 15,391.13

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Solution

The fourth proportional to 27,966.47, 38,593.73 and 15,391.13 is: 21,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.47 : 38,593.73 = 15,391.13 : x
  2. Step 2: Convert to fraction form
    27,966.47/38,593.73 = 15,391.13/x
  3. Step 3: Cross multiply
    27,966.47x = 38,593.73 × 15,391.13
  4. Step 4: Simplify right side
    27,966.47x = 594,000,961.12
  5. Step 5: Solve for x
    x = 594,000,961.12/27,966.47
  6. Step 6: Final answer
    x = 21,239.76

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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.