Home / 26,192.48-36,129.30-15,978.85

Finding the Fourth Proportional to 26,192.48, 36,129.30 and 15,978.85

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Solution

The fourth proportional to 26,192.48, 36,129.30 and 15,978.85 is: 22,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,192.48 : 36,129.30 = 15,978.85 : x
  2. Step 2: Convert to fraction form
    26,192.48/36,129.30 = 15,978.85/x
  3. Step 3: Cross multiply
    26,192.48x = 36,129.30 × 15,978.85
  4. Step 4: Simplify right side
    26,192.48x = 577,304,484.66
  5. Step 5: Solve for x
    x = 577,304,484.66/26,192.48
  6. Step 6: Final answer
    x = 22,040.85

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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.