Home / 28,283.60-42,431.52-10,753.76

Finding the Fourth Proportional to 28,283.60, 42,431.52 and 10,753.76

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Solution

The fourth proportional to 28,283.60, 42,431.52 and 10,753.76 is: 16,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.60 : 42,431.52 = 10,753.76 : x
  2. Step 2: Convert to fraction form
    28,283.60/42,431.52 = 10,753.76/x
  3. Step 3: Cross multiply
    28,283.60x = 42,431.52 × 10,753.76
  4. Step 4: Simplify right side
    28,283.60x = 456,298,382.52
  5. Step 5: Solve for x
    x = 456,298,382.52/28,283.60
  6. Step 6: Final answer
    x = 16,132.97

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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.