Home / 54,986.88-82,475.84-15,543.04

Finding the Fourth Proportional to 54,986.88, 82,475.84 and 15,543.04

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Solution

The fourth proportional to 54,986.88, 82,475.84 and 15,543.04 is: 23,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.88 : 82,475.84 = 15,543.04 : x
  2. Step 2: Convert to fraction form
    54,986.88/82,475.84 = 15,543.04/x
  3. Step 3: Cross multiply
    54,986.88x = 82,475.84 × 15,543.04
  4. Step 4: Simplify right side
    54,986.88x = 1,281,925,280.15
  5. Step 5: Solve for x
    x = 1,281,925,280.15/54,986.88
  6. Step 6: Final answer
    x = 23,313.29

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Why These Related Problems?

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