Home / 27,550.32-38,016.16-16,217.27

Finding the Fourth Proportional to 27,550.32, 38,016.16 and 16,217.27

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Solution

The fourth proportional to 27,550.32, 38,016.16 and 16,217.27 is: 22,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.32 : 38,016.16 = 16,217.27 : x
  2. Step 2: Convert to fraction form
    27,550.32/38,016.16 = 16,217.27/x
  3. Step 3: Cross multiply
    27,550.32x = 38,016.16 × 16,217.27
  4. Step 4: Simplify right side
    27,550.32x = 616,518,331.08
  5. Step 5: Solve for x
    x = 616,518,331.08/27,550.32
  6. Step 6: Final answer
    x = 22,377.90

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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.