Home / 27,947.57-38,573.12-16,018.90

Finding the Fourth Proportional to 27,947.57, 38,573.12 and 16,018.90

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Solution

The fourth proportional to 27,947.57, 38,573.12 and 16,018.90 is: 22,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.57 : 38,573.12 = 16,018.90 : x
  2. Step 2: Convert to fraction form
    27,947.57/38,573.12 = 16,018.90/x
  3. Step 3: Cross multiply
    27,947.57x = 38,573.12 × 16,018.90
  4. Step 4: Simplify right side
    27,947.57x = 617,898,951.97
  5. Step 5: Solve for x
    x = 617,898,951.97/27,947.57
  6. Step 6: Final answer
    x = 22,109.22

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1.5x scale

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.