Home / 28,246.14-42,339.65-9,519.71

Finding the Fourth Proportional to 28,246.14, 42,339.65 and 9,519.71

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Solution

The fourth proportional to 28,246.14, 42,339.65 and 9,519.71 is: 14,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.14 : 42,339.65 = 9,519.71 : x
  2. Step 2: Convert to fraction form
    28,246.14/42,339.65 = 9,519.71/x
  3. Step 3: Cross multiply
    28,246.14x = 42,339.65 × 9,519.71
  4. Step 4: Simplify right side
    28,246.14x = 403,060,930.20
  5. Step 5: Solve for x
    x = 403,060,930.20/28,246.14
  6. Step 6: Final answer
    x = 14,269.59

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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.