Home / 27,721.72-38,259.06-16,394.68

Finding the Fourth Proportional to 27,721.72, 38,259.06 and 16,394.68

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Solution

The fourth proportional to 27,721.72, 38,259.06 and 16,394.68 is: 22,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.72 : 38,259.06 = 16,394.68 : x
  2. Step 2: Convert to fraction form
    27,721.72/38,259.06 = 16,394.68/x
  3. Step 3: Cross multiply
    27,721.72x = 38,259.06 × 16,394.68
  4. Step 4: Simplify right side
    27,721.72x = 627,245,045.80
  5. Step 5: Solve for x
    x = 627,245,045.80/27,721.72
  6. Step 6: Final answer
    x = 22,626.48

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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.