Home / 28,313.73-42,484.44-20,046.87

Finding the Fourth Proportional to 28,313.73, 42,484.44 and 20,046.87

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Solution

The fourth proportional to 28,313.73, 42,484.44 and 20,046.87 is: 30,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.73 : 42,484.44 = 20,046.87 : x
  2. Step 2: Convert to fraction form
    28,313.73/42,484.44 = 20,046.87/x
  3. Step 3: Cross multiply
    28,313.73x = 42,484.44 × 20,046.87
  4. Step 4: Simplify right side
    28,313.73x = 851,680,045.70
  5. Step 5: Solve for x
    x = 851,680,045.70/28,313.73
  6. Step 6: Final answer
    x = 30,080.11

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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.