Home / 28,577.74-39,427.41-17,968.18

Finding the Fourth Proportional to 28,577.74, 39,427.41 and 17,968.18

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Solution

The fourth proportional to 28,577.74, 39,427.41 and 17,968.18 is: 24,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.74 : 39,427.41 = 17,968.18 : x
  2. Step 2: Convert to fraction form
    28,577.74/39,427.41 = 17,968.18/x
  3. Step 3: Cross multiply
    28,577.74x = 39,427.41 × 17,968.18
  4. Step 4: Simplify right side
    28,577.74x = 708,438,799.81
  5. Step 5: Solve for x
    x = 708,438,799.81/28,577.74
  6. Step 6: Final answer
    x = 24,789.88

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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.