Home / 27,160.28-40,717.20-12,363.92

Finding the Fourth Proportional to 27,160.28, 40,717.20 and 12,363.92

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Solution

The fourth proportional to 27,160.28, 40,717.20 and 12,363.92 is: 18,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.28 : 40,717.20 = 12,363.92 : x
  2. Step 2: Convert to fraction form
    27,160.28/40,717.20 = 12,363.92/x
  3. Step 3: Cross multiply
    27,160.28x = 40,717.20 × 12,363.92
  4. Step 4: Simplify right side
    27,160.28x = 503,424,203.42
  5. Step 5: Solve for x
    x = 503,424,203.42/27,160.28
  6. Step 6: Final answer
    x = 18,535.31

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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.