Home / 28,482.24-42,723.40-8,760.68

Finding the Fourth Proportional to 28,482.24, 42,723.40 and 8,760.68

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Solution

The fourth proportional to 28,482.24, 42,723.40 and 8,760.68 is: 13,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.24 : 42,723.40 = 8,760.68 : x
  2. Step 2: Convert to fraction form
    28,482.24/42,723.40 = 8,760.68/x
  3. Step 3: Cross multiply
    28,482.24x = 42,723.40 × 8,760.68
  4. Step 4: Simplify right side
    28,482.24x = 374,286,035.91
  5. Step 5: Solve for x
    x = 374,286,035.91/28,482.24
  6. Step 6: Final answer
    x = 13,141.03

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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.