Home / 27,177.50-40,772.10-8,457.14

Finding the Fourth Proportional to 27,177.50, 40,772.10 and 8,457.14

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Solution

The fourth proportional to 27,177.50, 40,772.10 and 8,457.14 is: 12,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.50 : 40,772.10 = 8,457.14 : x
  2. Step 2: Convert to fraction form
    27,177.50/40,772.10 = 8,457.14/x
  3. Step 3: Cross multiply
    27,177.50x = 40,772.10 × 8,457.14
  4. Step 4: Simplify right side
    27,177.50x = 344,815,357.79
  5. Step 5: Solve for x
    x = 344,815,357.79/27,177.50
  6. Step 6: Final answer
    x = 12,687.53

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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.