Home / 28,877.49-39,850.61-16,938.53

Finding the Fourth Proportional to 28,877.49, 39,850.61 and 16,938.53

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Solution

The fourth proportional to 28,877.49, 39,850.61 and 16,938.53 is: 23,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.49 : 39,850.61 = 16,938.53 : x
  2. Step 2: Convert to fraction form
    28,877.49/39,850.61 = 16,938.53/x
  3. Step 3: Cross multiply
    28,877.49x = 39,850.61 × 16,938.53
  4. Step 4: Simplify right side
    28,877.49x = 675,010,753.00
  5. Step 5: Solve for x
    x = 675,010,753.00/28,877.49
  6. Step 6: Final answer
    x = 23,374.98

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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.