Home / 28,229.48-38,959.89-16,296.02

Finding the Fourth Proportional to 28,229.48, 38,959.89 and 16,296.02

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Solution

The fourth proportional to 28,229.48, 38,959.89 and 16,296.02 is: 22,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.48 : 38,959.89 = 16,296.02 : x
  2. Step 2: Convert to fraction form
    28,229.48/38,959.89 = 16,296.02/x
  3. Step 3: Cross multiply
    28,229.48x = 38,959.89 × 16,296.02
  4. Step 4: Simplify right side
    28,229.48x = 634,891,146.64
  5. Step 5: Solve for x
    x = 634,891,146.64/28,229.48
  6. Step 6: Final answer
    x = 22,490.36

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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.