Home / 28,614.88-39,480.30-16,514.39

Finding the Fourth Proportional to 28,614.88, 39,480.30 and 16,514.39

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Solution

The fourth proportional to 28,614.88, 39,480.30 and 16,514.39 is: 22,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.88 : 39,480.30 = 16,514.39 : x
  2. Step 2: Convert to fraction form
    28,614.88/39,480.30 = 16,514.39/x
  3. Step 3: Cross multiply
    28,614.88x = 39,480.30 × 16,514.39
  4. Step 4: Simplify right side
    28,614.88x = 651,992,948.14
  5. Step 5: Solve for x
    x = 651,992,948.14/28,614.88
  6. Step 6: Final answer
    x = 22,785.11

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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.