Home / 28,453.77-42,679.05-8,732.28

Finding the Fourth Proportional to 28,453.77, 42,679.05 and 8,732.28

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Solution

The fourth proportional to 28,453.77, 42,679.05 and 8,732.28 is: 13,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.77 : 42,679.05 = 8,732.28 : x
  2. Step 2: Convert to fraction form
    28,453.77/42,679.05 = 8,732.28/x
  3. Step 3: Cross multiply
    28,453.77x = 42,679.05 × 8,732.28
  4. Step 4: Simplify right side
    28,453.77x = 372,685,414.73
  5. Step 5: Solve for x
    x = 372,685,414.73/28,453.77
  6. Step 6: Final answer
    x = 13,097.93

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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.