Home / 26,373.30-36,399.21-15,042.78

Finding the Fourth Proportional to 26,373.30, 36,399.21 and 15,042.78

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Solution

The fourth proportional to 26,373.30, 36,399.21 and 15,042.78 is: 20,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,373.30 : 36,399.21 = 15,042.78 : x
  2. Step 2: Convert to fraction form
    26,373.30/36,399.21 = 15,042.78/x
  3. Step 3: Cross multiply
    26,373.30x = 36,399.21 × 15,042.78
  4. Step 4: Simplify right side
    26,373.30x = 547,545,308.20
  5. Step 5: Solve for x
    x = 547,545,308.20/26,373.30
  6. Step 6: Final answer
    x = 20,761.35

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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.