Home / 26,179.74-36,129-15,003.90

Finding the Fourth Proportional to 26,179.74, 36,129 and 15,003.90

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Solution

The fourth proportional to 26,179.74, 36,129 and 15,003.90 is: 20,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.74 : 36,129 = 15,003.90 : x
  2. Step 2: Convert to fraction form
    26,179.74/36,129 = 15,003.90/x
  3. Step 3: Cross multiply
    26,179.74x = 36,129 × 15,003.90
  4. Step 4: Simplify right side
    26,179.74x = 542,075,903.10
  5. Step 5: Solve for x
    x = 542,075,903.10/26,179.74
  6. Step 6: Final answer
    x = 20,705.93

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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.