Home / 28,169.75-42,296.16-15,714.11

Finding the Fourth Proportional to 28,169.75, 42,296.16 and 15,714.11

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Solution

The fourth proportional to 28,169.75, 42,296.16 and 15,714.11 is: 23,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.75 : 42,296.16 = 15,714.11 : x
  2. Step 2: Convert to fraction form
    28,169.75/42,296.16 = 15,714.11/x
  3. Step 3: Cross multiply
    28,169.75x = 42,296.16 × 15,714.11
  4. Step 4: Simplify right side
    28,169.75x = 664,646,510.82
  5. Step 5: Solve for x
    x = 664,646,510.82/28,169.75
  6. Step 6: Final answer
    x = 23,594.33

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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.