Home / 27,618.43-38,114.18-15,043.99

Finding the Fourth Proportional to 27,618.43, 38,114.18 and 15,043.99

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Solution

The fourth proportional to 27,618.43, 38,114.18 and 15,043.99 is: 20,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.43 : 38,114.18 = 15,043.99 : x
  2. Step 2: Convert to fraction form
    27,618.43/38,114.18 = 15,043.99/x
  3. Step 3: Cross multiply
    27,618.43x = 38,114.18 × 15,043.99
  4. Step 4: Simplify right side
    27,618.43x = 573,389,342.78
  5. Step 5: Solve for x
    x = 573,389,342.78/27,618.43
  6. Step 6: Final answer
    x = 20,761.11

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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.