Home / 28,367.46-42,525.18-11,491.20

Finding the Fourth Proportional to 28,367.46, 42,525.18 and 11,491.20

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Solution

The fourth proportional to 28,367.46, 42,525.18 and 11,491.20 is: 17,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.46 : 42,525.18 = 11,491.20 : x
  2. Step 2: Convert to fraction form
    28,367.46/42,525.18 = 11,491.20/x
  3. Step 3: Cross multiply
    28,367.46x = 42,525.18 × 11,491.20
  4. Step 4: Simplify right side
    28,367.46x = 488,665,348.42
  5. Step 5: Solve for x
    x = 488,665,348.42/28,367.46
  6. Step 6: Final answer
    x = 17,226.26

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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.