Home / 28,877.60-39,851.75-16,949.54

Finding the Fourth Proportional to 28,877.60, 39,851.75 and 16,949.54

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Solution

The fourth proportional to 28,877.60, 39,851.75 and 16,949.54 is: 23,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.60 : 39,851.75 = 16,949.54 : x
  2. Step 2: Convert to fraction form
    28,877.60/39,851.75 = 16,949.54/x
  3. Step 3: Cross multiply
    28,877.60x = 39,851.75 × 16,949.54
  4. Step 4: Simplify right side
    28,877.60x = 675,468,830.70
  5. Step 5: Solve for x
    x = 675,468,830.70/28,877.60
  6. Step 6: Final answer
    x = 23,390.75

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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.