Home / 28,035.60-38,687.66-17,425

Finding the Fourth Proportional to 28,035.60, 38,687.66 and 17,425

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Solution

The fourth proportional to 28,035.60, 38,687.66 and 17,425 is: 24,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.60 : 38,687.66 = 17,425 : x
  2. Step 2: Convert to fraction form
    28,035.60/38,687.66 = 17,425/x
  3. Step 3: Cross multiply
    28,035.60x = 38,687.66 × 17,425
  4. Step 4: Simplify right side
    28,035.60x = 674,132,475.50
  5. Step 5: Solve for x
    x = 674,132,475.50/28,035.60
  6. Step 6: Final answer
    x = 24,045.59

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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.