Home / 28,817.40-39,767.22-16,070.97

Finding the Fourth Proportional to 28,817.40, 39,767.22 and 16,070.97

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Solution

The fourth proportional to 28,817.40, 39,767.22 and 16,070.97 is: 22,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.40 : 39,767.22 = 16,070.97 : x
  2. Step 2: Convert to fraction form
    28,817.40/39,767.22 = 16,070.97/x
  3. Step 3: Cross multiply
    28,817.40x = 39,767.22 × 16,070.97
  4. Step 4: Simplify right side
    28,817.40x = 639,097,799.60
  5. Step 5: Solve for x
    x = 639,097,799.60/28,817.40
  6. Step 6: Final answer
    x = 22,177.50

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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.