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Finding the Fourth Proportional to 15,069.68, 22,602.72 and 3,977.20

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Solution

The fourth proportional to 15,069.68, 22,602.72 and 3,977.20 is: 5,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.68 : 22,602.72 = 3,977.20 : x
  2. Step 2: Convert to fraction form
    15,069.68/22,602.72 = 3,977.20/x
  3. Step 3: Cross multiply
    15,069.68x = 22,602.72 × 3,977.20
  4. Step 4: Simplify right side
    15,069.68x = 89,895,537.98
  5. Step 5: Solve for x
    x = 89,895,537.98/15,069.68
  6. Step 6: Final answer
    x = 5,965.32

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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.