Home / 27,920.52-38,490.66-22,205.16

Finding the Fourth Proportional to 27,920.52, 38,490.66 and 22,205.16

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Solution

The fourth proportional to 27,920.52, 38,490.66 and 22,205.16 is: 30,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.52 : 38,490.66 = 22,205.16 : x
  2. Step 2: Convert to fraction form
    27,920.52/38,490.66 = 22,205.16/x
  3. Step 3: Cross multiply
    27,920.52x = 38,490.66 × 22,205.16
  4. Step 4: Simplify right side
    27,920.52x = 854,691,263.81
  5. Step 5: Solve for x
    x = 854,691,263.81/27,920.52
  6. Step 6: Final answer
    x = 30,611.58

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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.