Home / 28,773.98-39,708.87-16,199.18

Finding the Fourth Proportional to 28,773.98, 39,708.87 and 16,199.18

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Solution

The fourth proportional to 28,773.98, 39,708.87 and 16,199.18 is: 22,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.98 : 39,708.87 = 16,199.18 : x
  2. Step 2: Convert to fraction form
    28,773.98/39,708.87 = 16,199.18/x
  3. Step 3: Cross multiply
    28,773.98x = 39,708.87 × 16,199.18
  4. Step 4: Simplify right side
    28,773.98x = 643,251,132.73
  5. Step 5: Solve for x
    x = 643,251,132.73/28,773.98
  6. Step 6: Final answer
    x = 22,355.31

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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.