Home / 25,719.40-38,577.48-8,201.80

Finding the Fourth Proportional to 25,719.40, 38,577.48 and 8,201.80

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Solution

The fourth proportional to 25,719.40, 38,577.48 and 8,201.80 is: 12,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.40 : 38,577.48 = 8,201.80 : x
  2. Step 2: Convert to fraction form
    25,719.40/38,577.48 = 8,201.80/x
  3. Step 3: Cross multiply
    25,719.40x = 38,577.48 × 8,201.80
  4. Step 4: Simplify right side
    25,719.40x = 316,404,775.46
  5. Step 5: Solve for x
    x = 316,404,775.46/25,719.40
  6. Step 6: Final answer
    x = 12,302.18

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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.