Home / 28,851.59-43,353.48-15,534.42

Finding the Fourth Proportional to 28,851.59, 43,353.48 and 15,534.42

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Solution

The fourth proportional to 28,851.59, 43,353.48 and 15,534.42 is: 23,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.59 : 43,353.48 = 15,534.42 : x
  2. Step 2: Convert to fraction form
    28,851.59/43,353.48 = 15,534.42/x
  3. Step 3: Cross multiply
    28,851.59x = 43,353.48 × 15,534.42
  4. Step 4: Simplify right side
    28,851.59x = 673,471,166.78
  5. Step 5: Solve for x
    x = 673,471,166.78/28,851.59
  6. Step 6: Final answer
    x = 23,342.61

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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.