Home / 52,577.20-78,865.80-15,641.20

Finding the Fourth Proportional to 52,577.20, 78,865.80 and 15,641.20

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Solution

The fourth proportional to 52,577.20, 78,865.80 and 15,641.20 is: 23,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,577.20 : 78,865.80 = 15,641.20 : x
  2. Step 2: Convert to fraction form
    52,577.20/78,865.80 = 15,641.20/x
  3. Step 3: Cross multiply
    52,577.20x = 78,865.80 × 15,641.20
  4. Step 4: Simplify right side
    52,577.20x = 1,233,555,750.96
  5. Step 5: Solve for x
    x = 1,233,555,750.96/52,577.20
  6. Step 6: Final answer
    x = 23,461.80

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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.