Home / 15,288.80-22,933.68-5,427.92

Finding the Fourth Proportional to 15,288.80, 22,933.68 and 5,427.92

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Solution

The fourth proportional to 15,288.80, 22,933.68 and 5,427.92 is: 8,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.80 : 22,933.68 = 5,427.92 : x
  2. Step 2: Convert to fraction form
    15,288.80/22,933.68 = 5,427.92/x
  3. Step 3: Cross multiply
    15,288.80x = 22,933.68 × 5,427.92
  4. Step 4: Simplify right side
    15,288.80x = 124,482,180.35
  5. Step 5: Solve for x
    x = 124,482,180.35/15,288.80
  6. Step 6: Final answer
    x = 8,142.05

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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.