Home / 28,924.12-43,386.18-8,144.92

Finding the Fourth Proportional to 28,924.12, 43,386.18 and 8,144.92

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Solution

The fourth proportional to 28,924.12, 43,386.18 and 8,144.92 is: 12,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.12 : 43,386.18 = 8,144.92 : x
  2. Step 2: Convert to fraction form
    28,924.12/43,386.18 = 8,144.92/x
  3. Step 3: Cross multiply
    28,924.12x = 43,386.18 × 8,144.92
  4. Step 4: Simplify right side
    28,924.12x = 353,376,965.21
  5. Step 5: Solve for x
    x = 353,376,965.21/28,924.12
  6. Step 6: Final answer
    x = 12,217.38

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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.