Home / 27,641.34-38,145.85-16,887.98

Finding the Fourth Proportional to 27,641.34, 38,145.85 and 16,887.98

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Solution

The fourth proportional to 27,641.34, 38,145.85 and 16,887.98 is: 23,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.34 : 38,145.85 = 16,887.98 : x
  2. Step 2: Convert to fraction form
    27,641.34/38,145.85 = 16,887.98/x
  3. Step 3: Cross multiply
    27,641.34x = 38,145.85 × 16,887.98
  4. Step 4: Simplify right side
    27,641.34x = 644,206,351.88
  5. Step 5: Solve for x
    x = 644,206,351.88/27,641.34
  6. Step 6: Final answer
    x = 23,305.90

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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.