Home / 28,316.20-42,474.30-8,593.80

Finding the Fourth Proportional to 28,316.20, 42,474.30 and 8,593.80

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Solution

The fourth proportional to 28,316.20, 42,474.30 and 8,593.80 is: 12,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.20 : 42,474.30 = 8,593.80 : x
  2. Step 2: Convert to fraction form
    28,316.20/42,474.30 = 8,593.80/x
  3. Step 3: Cross multiply
    28,316.20x = 42,474.30 × 8,593.80
  4. Step 4: Simplify right side
    28,316.20x = 365,015,639.34
  5. Step 5: Solve for x
    x = 365,015,639.34/28,316.20
  6. Step 6: Final answer
    x = 12,890.70

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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.