Home / 25,442.12-38,158.80-6,722.36

Finding the Fourth Proportional to 25,442.12, 38,158.80 and 6,722.36

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Solution

The fourth proportional to 25,442.12, 38,158.80 and 6,722.36 is: 10,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.12 : 38,158.80 = 6,722.36 : x
  2. Step 2: Convert to fraction form
    25,442.12/38,158.80 = 6,722.36/x
  3. Step 3: Cross multiply
    25,442.12x = 38,158.80 × 6,722.36
  4. Step 4: Simplify right side
    25,442.12x = 256,517,190.77
  5. Step 5: Solve for x
    x = 256,517,190.77/25,442.12
  6. Step 6: Final answer
    x = 10,082.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.