Home / 27,572.20-41,358.28-11,989.82

Finding the Fourth Proportional to 27,572.20, 41,358.28 and 11,989.82

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Solution

The fourth proportional to 27,572.20, 41,358.28 and 11,989.82 is: 17,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.20 : 41,358.28 = 11,989.82 : x
  2. Step 2: Convert to fraction form
    27,572.20/41,358.28 = 11,989.82/x
  3. Step 3: Cross multiply
    27,572.20x = 41,358.28 × 11,989.82
  4. Step 4: Simplify right side
    27,572.20x = 495,878,332.71
  5. Step 5: Solve for x
    x = 495,878,332.71/27,572.20
  6. Step 6: Final answer
    x = 17,984.72

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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.