Home / 28,187.06-42,287.08-8,466

Finding the Fourth Proportional to 28,187.06, 42,287.08 and 8,466

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Solution

The fourth proportional to 28,187.06, 42,287.08 and 8,466 is: 12,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.06 : 42,287.08 = 8,466 : x
  2. Step 2: Convert to fraction form
    28,187.06/42,287.08 = 8,466/x
  3. Step 3: Cross multiply
    28,187.06x = 42,287.08 × 8,466
  4. Step 4: Simplify right side
    28,187.06x = 358,002,419.28
  5. Step 5: Solve for x
    x = 358,002,419.28/28,187.06
  6. Step 6: Final answer
    x = 12,700.95

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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.