Home / 27,887.60-38,484.72-15,951.14

Finding the Fourth Proportional to 27,887.60, 38,484.72 and 15,951.14

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Solution

The fourth proportional to 27,887.60, 38,484.72 and 15,951.14 is: 22,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.60 : 38,484.72 = 15,951.14 : x
  2. Step 2: Convert to fraction form
    27,887.60/38,484.72 = 15,951.14/x
  3. Step 3: Cross multiply
    27,887.60x = 38,484.72 × 15,951.14
  4. Step 4: Simplify right side
    27,887.60x = 613,875,156.58
  5. Step 5: Solve for x
    x = 613,875,156.58/27,887.60
  6. Step 6: Final answer
    x = 22,012.48

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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.