Home / 28,023.15-42,034.88-8,301.88

Finding the Fourth Proportional to 28,023.15, 42,034.88 and 8,301.88

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Solution

The fourth proportional to 28,023.15, 42,034.88 and 8,301.88 is: 12,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.15 : 42,034.88 = 8,301.88 : x
  2. Step 2: Convert to fraction form
    28,023.15/42,034.88 = 8,301.88/x
  3. Step 3: Cross multiply
    28,023.15x = 42,034.88 × 8,301.88
  4. Step 4: Simplify right side
    28,023.15x = 348,968,529.57
  5. Step 5: Solve for x
    x = 348,968,529.57/28,023.15
  6. Step 6: Final answer
    x = 12,452.87

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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.