Home / 28,298.32-42,452.96-10,766.80

Finding the Fourth Proportional to 28,298.32, 42,452.96 and 10,766.80

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Solution

The fourth proportional to 28,298.32, 42,452.96 and 10,766.80 is: 16,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.32 : 42,452.96 = 10,766.80 : x
  2. Step 2: Convert to fraction form
    28,298.32/42,452.96 = 10,766.80/x
  3. Step 3: Cross multiply
    28,298.32x = 42,452.96 × 10,766.80
  4. Step 4: Simplify right side
    28,298.32x = 457,082,529.73
  5. Step 5: Solve for x
    x = 457,082,529.73/28,298.32
  6. Step 6: Final answer
    x = 16,152.29

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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.