Home / 25,977.60-39,002.40-16,675.20

Finding the Fourth Proportional to 25,977.60, 39,002.40 and 16,675.20

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Solution

The fourth proportional to 25,977.60, 39,002.40 and 16,675.20 is: 25,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.60 : 39,002.40 = 16,675.20 : x
  2. Step 2: Convert to fraction form
    25,977.60/39,002.40 = 16,675.20/x
  3. Step 3: Cross multiply
    25,977.60x = 39,002.40 × 16,675.20
  4. Step 4: Simplify right side
    25,977.60x = 650,372,820.48
  5. Step 5: Solve for x
    x = 650,372,820.48/25,977.60
  6. Step 6: Final answer
    x = 25,035.91

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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.