Home / 27,213.60-40,781.46-15,502.62

Finding the Fourth Proportional to 27,213.60, 40,781.46 and 15,502.62

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Solution

The fourth proportional to 27,213.60, 40,781.46 and 15,502.62 is: 23,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.60 : 40,781.46 = 15,502.62 : x
  2. Step 2: Convert to fraction form
    27,213.60/40,781.46 = 15,502.62/x
  3. Step 3: Cross multiply
    27,213.60x = 40,781.46 × 15,502.62
  4. Step 4: Simplify right side
    27,213.60x = 632,219,477.43
  5. Step 5: Solve for x
    x = 632,219,477.43/27,213.60
  6. Step 6: Final answer
    x = 23,231.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.