Home / 28,645.75-39,531.41-16,070.77

Finding the Fourth Proportional to 28,645.75, 39,531.41 and 16,070.77

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Solution

The fourth proportional to 28,645.75, 39,531.41 and 16,070.77 is: 22,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.75 : 39,531.41 = 16,070.77 : x
  2. Step 2: Convert to fraction form
    28,645.75/39,531.41 = 16,070.77/x
  3. Step 3: Cross multiply
    28,645.75x = 39,531.41 × 16,070.77
  4. Step 4: Simplify right side
    28,645.75x = 635,300,197.89
  5. Step 5: Solve for x
    x = 635,300,197.89/28,645.75
  6. Step 6: Final answer
    x = 22,177.82

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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.