Home / 27,881.72-38,475.46-15,134.62

Finding the Fourth Proportional to 27,881.72, 38,475.46 and 15,134.62

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Solution

The fourth proportional to 27,881.72, 38,475.46 and 15,134.62 is: 20,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.72 : 38,475.46 = 15,134.62 : x
  2. Step 2: Convert to fraction form
    27,881.72/38,475.46 = 15,134.62/x
  3. Step 3: Cross multiply
    27,881.72x = 38,475.46 × 15,134.62
  4. Step 4: Simplify right side
    27,881.72x = 582,311,466.43
  5. Step 5: Solve for x
    x = 582,311,466.43/27,881.72
  6. Step 6: Final answer
    x = 20,885.06

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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.