Home / 26,129.76-36,040-16,572.56

Finding the Fourth Proportional to 26,129.76, 36,040 and 16,572.56

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Solution

The fourth proportional to 26,129.76, 36,040 and 16,572.56 is: 22,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.76 : 36,040 = 16,572.56 : x
  2. Step 2: Convert to fraction form
    26,129.76/36,040 = 16,572.56/x
  3. Step 3: Cross multiply
    26,129.76x = 36,040 × 16,572.56
  4. Step 4: Simplify right side
    26,129.76x = 597,275,062.40
  5. Step 5: Solve for x
    x = 597,275,062.40/26,129.76
  6. Step 6: Final answer
    x = 22,858.04

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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.