Home / 28,645.50-39,531.06-16,070.52

Finding the Fourth Proportional to 28,645.50, 39,531.06 and 16,070.52

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Solution

The fourth proportional to 28,645.50, 39,531.06 and 16,070.52 is: 22,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.50 : 39,531.06 = 16,070.52 : x
  2. Step 2: Convert to fraction form
    28,645.50/39,531.06 = 16,070.52/x
  3. Step 3: Cross multiply
    28,645.50x = 39,531.06 × 16,070.52
  4. Step 4: Simplify right side
    28,645.50x = 635,284,690.35
  5. Step 5: Solve for x
    x = 635,284,690.35/28,645.50
  6. Step 6: Final answer
    x = 22,177.47

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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.