Home / 28,250.96-38,987.92-17,076.56

Finding the Fourth Proportional to 28,250.96, 38,987.92 and 17,076.56

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Solution

The fourth proportional to 28,250.96, 38,987.92 and 17,076.56 is: 23,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.96 : 38,987.92 = 17,076.56 : x
  2. Step 2: Convert to fraction form
    28,250.96/38,987.92 = 17,076.56/x
  3. Step 3: Cross multiply
    28,250.96x = 38,987.92 × 17,076.56
  4. Step 4: Simplify right side
    28,250.96x = 665,779,555.16
  5. Step 5: Solve for x
    x = 665,779,555.16/28,250.96
  6. Step 6: Final answer
    x = 23,566.62

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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.