Home / 25,788.17-38,688.30-8,017.92

Finding the Fourth Proportional to 25,788.17, 38,688.30 and 8,017.92

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Solution

The fourth proportional to 25,788.17, 38,688.30 and 8,017.92 is: 12,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.17 : 38,688.30 = 8,017.92 : x
  2. Step 2: Convert to fraction form
    25,788.17/38,688.30 = 8,017.92/x
  3. Step 3: Cross multiply
    25,788.17x = 38,688.30 × 8,017.92
  4. Step 4: Simplify right side
    25,788.17x = 310,199,694.34
  5. Step 5: Solve for x
    x = 310,199,694.34/25,788.17
  6. Step 6: Final answer
    x = 12,028.76

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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.