Home / 28,032.87-42,042.14-8,306.82

Finding the Fourth Proportional to 28,032.87, 42,042.14 and 8,306.82

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Solution

The fourth proportional to 28,032.87, 42,042.14 and 8,306.82 is: 12,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.87 : 42,042.14 = 8,306.82 : x
  2. Step 2: Convert to fraction form
    28,032.87/42,042.14 = 8,306.82/x
  3. Step 3: Cross multiply
    28,032.87x = 42,042.14 × 8,306.82
  4. Step 4: Simplify right side
    28,032.87x = 349,236,479.01
  5. Step 5: Solve for x
    x = 349,236,479.01/28,032.87
  6. Step 6: Final answer
    x = 12,458.11

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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.