Home / 28,081.68-38,770.92-17,475.60

Finding the Fourth Proportional to 28,081.68, 38,770.92 and 17,475.60

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Solution

The fourth proportional to 28,081.68, 38,770.92 and 17,475.60 is: 24,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.68 : 38,770.92 = 17,475.60 : x
  2. Step 2: Convert to fraction form
    28,081.68/38,770.92 = 17,475.60/x
  3. Step 3: Cross multiply
    28,081.68x = 38,770.92 × 17,475.60
  4. Step 4: Simplify right side
    28,081.68x = 677,545,089.55
  5. Step 5: Solve for x
    x = 677,545,089.55/28,081.68
  6. Step 6: Final answer
    x = 24,127.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.