Home / 25,281.30-37,891.20-17,887.89

Finding the Fourth Proportional to 25,281.30, 37,891.20 and 17,887.89

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Solution

The fourth proportional to 25,281.30, 37,891.20 and 17,887.89 is: 26,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.30 : 37,891.20 = 17,887.89 : x
  2. Step 2: Convert to fraction form
    25,281.30/37,891.20 = 17,887.89/x
  3. Step 3: Cross multiply
    25,281.30x = 37,891.20 × 17,887.89
  4. Step 4: Simplify right side
    25,281.30x = 677,793,617.57
  5. Step 5: Solve for x
    x = 677,793,617.57/25,281.30
  6. Step 6: Final answer
    x = 26,810.08

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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.