Home / 27,883.28-38,476.54-15,944.70

Finding the Fourth Proportional to 27,883.28, 38,476.54 and 15,944.70

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Solution

The fourth proportional to 27,883.28, 38,476.54 and 15,944.70 is: 22,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.28 : 38,476.54 = 15,944.70 : x
  2. Step 2: Convert to fraction form
    27,883.28/38,476.54 = 15,944.70/x
  3. Step 3: Cross multiply
    27,883.28x = 38,476.54 × 15,944.70
  4. Step 4: Simplify right side
    27,883.28x = 613,496,887.34
  5. Step 5: Solve for x
    x = 613,496,887.34/27,883.28
  6. Step 6: Final answer
    x = 22,002.32

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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.