Home / 28,877.59-39,850.77-16,938.64

Finding the Fourth Proportional to 28,877.59, 39,850.77 and 16,938.64

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Solution

The fourth proportional to 28,877.59, 39,850.77 and 16,938.64 is: 23,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.59 : 39,850.77 = 16,938.64 : x
  2. Step 2: Convert to fraction form
    28,877.59/39,850.77 = 16,938.64/x
  3. Step 3: Cross multiply
    28,877.59x = 39,850.77 × 16,938.64
  4. Step 4: Simplify right side
    28,877.59x = 675,017,846.75
  5. Step 5: Solve for x
    x = 675,017,846.75/28,877.59
  6. Step 6: Final answer
    x = 23,375.14

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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.