Home / 28,296.64-42,452.90-8,306.61

Finding the Fourth Proportional to 28,296.64, 42,452.90 and 8,306.61

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Solution

The fourth proportional to 28,296.64, 42,452.90 and 8,306.61 is: 12,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.64 : 42,452.90 = 8,306.61 : x
  2. Step 2: Convert to fraction form
    28,296.64/42,452.90 = 8,306.61/x
  3. Step 3: Cross multiply
    28,296.64x = 42,452.90 × 8,306.61
  4. Step 4: Simplify right side
    28,296.64x = 352,639,683.67
  5. Step 5: Solve for x
    x = 352,639,683.67/28,296.64
  6. Step 6: Final answer
    x = 12,462.25

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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.