Home / 27,140.50-37,456.05-15,964.66

Finding the Fourth Proportional to 27,140.50, 37,456.05 and 15,964.66

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Solution

The fourth proportional to 27,140.50, 37,456.05 and 15,964.66 is: 22,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.50 : 37,456.05 = 15,964.66 : x
  2. Step 2: Convert to fraction form
    27,140.50/37,456.05 = 15,964.66/x
  3. Step 3: Cross multiply
    27,140.50x = 37,456.05 × 15,964.66
  4. Step 4: Simplify right side
    27,140.50x = 597,973,103.19
  5. Step 5: Solve for x
    x = 597,973,103.19/27,140.50
  6. Step 6: Final answer
    x = 22,032.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.