Home / 27,657.23-38,169.90-16,908.39

Finding the Fourth Proportional to 27,657.23, 38,169.90 and 16,908.39

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Solution

The fourth proportional to 27,657.23, 38,169.90 and 16,908.39 is: 23,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.23 : 38,169.90 = 16,908.39 : x
  2. Step 2: Convert to fraction form
    27,657.23/38,169.90 = 16,908.39/x
  3. Step 3: Cross multiply
    27,657.23x = 38,169.90 × 16,908.39
  4. Step 4: Simplify right side
    27,657.23x = 645,391,555.46
  5. Step 5: Solve for x
    x = 645,391,555.46/27,657.23
  6. Step 6: Final answer
    x = 23,335.37

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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.