Home / 28,229.66-38,954.14-16,296.86

Finding the Fourth Proportional to 28,229.66, 38,954.14 and 16,296.86

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Solution

The fourth proportional to 28,229.66, 38,954.14 and 16,296.86 is: 22,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.66 : 38,954.14 = 16,296.86 : x
  2. Step 2: Convert to fraction form
    28,229.66/38,954.14 = 16,296.86/x
  3. Step 3: Cross multiply
    28,229.66x = 38,954.14 × 16,296.86
  4. Step 4: Simplify right side
    28,229.66x = 634,830,166.00
  5. Step 5: Solve for x
    x = 634,830,166.00/28,229.66
  6. Step 6: Final answer
    x = 22,488.06

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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.