Home / 25,982.20-38,973.30-16,089.40

Finding the Fourth Proportional to 25,982.20, 38,973.30 and 16,089.40

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Solution

The fourth proportional to 25,982.20, 38,973.30 and 16,089.40 is: 24,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.20 : 38,973.30 = 16,089.40 : x
  2. Step 2: Convert to fraction form
    25,982.20/38,973.30 = 16,089.40/x
  3. Step 3: Cross multiply
    25,982.20x = 38,973.30 × 16,089.40
  4. Step 4: Simplify right side
    25,982.20x = 627,057,013.02
  5. Step 5: Solve for x
    x = 627,057,013.02/25,982.20
  6. Step 6: Final answer
    x = 24,134.10

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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.