Home / 28,884.28-39,851.85-16,948.12

Finding the Fourth Proportional to 28,884.28, 39,851.85 and 16,948.12

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Solution

The fourth proportional to 28,884.28, 39,851.85 and 16,948.12 is: 23,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.28 : 39,851.85 = 16,948.12 : x
  2. Step 2: Convert to fraction form
    28,884.28/39,851.85 = 16,948.12/x
  3. Step 3: Cross multiply
    28,884.28x = 39,851.85 × 16,948.12
  4. Step 4: Simplify right side
    28,884.28x = 675,413,936.02
  5. Step 5: Solve for x
    x = 675,413,936.02/28,884.28
  6. Step 6: Final answer
    x = 23,383.44

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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.