Home / 28,380.24-42,521.76-15,193.44

Finding the Fourth Proportional to 28,380.24, 42,521.76 and 15,193.44

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Solution

The fourth proportional to 28,380.24, 42,521.76 and 15,193.44 is: 22,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380.24 : 42,521.76 = 15,193.44 : x
  2. Step 2: Convert to fraction form
    28,380.24/42,521.76 = 15,193.44/x
  3. Step 3: Cross multiply
    28,380.24x = 42,521.76 × 15,193.44
  4. Step 4: Simplify right side
    28,380.24x = 646,051,809.25
  5. Step 5: Solve for x
    x = 646,051,809.25/28,380.24
  6. Step 6: Final answer
    x = 22,764.14

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1.5x scale

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.