Home / 27,917.28-38,528.40-15,984.48

Finding the Fourth Proportional to 27,917.28, 38,528.40 and 15,984.48

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Solution

The fourth proportional to 27,917.28, 38,528.40 and 15,984.48 is: 22,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.28 : 38,528.40 = 15,984.48 : x
  2. Step 2: Convert to fraction form
    27,917.28/38,528.40 = 15,984.48/x
  3. Step 3: Cross multiply
    27,917.28x = 38,528.40 × 15,984.48
  4. Step 4: Simplify right side
    27,917.28x = 615,856,439.23
  5. Step 5: Solve for x
    x = 615,856,439.23/27,917.28
  6. Step 6: Final answer
    x = 22,060.04

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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.