Home / 28,877.20-39,851.18-16,949.14

Finding the Fourth Proportional to 28,877.20, 39,851.18 and 16,949.14

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Solution

The fourth proportional to 28,877.20, 39,851.18 and 16,949.14 is: 23,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.20 : 39,851.18 = 16,949.14 : x
  2. Step 2: Convert to fraction form
    28,877.20/39,851.18 = 16,949.14/x
  3. Step 3: Cross multiply
    28,877.20x = 39,851.18 × 16,949.14
  4. Step 4: Simplify right side
    28,877.20x = 675,443,228.99
  5. Step 5: Solve for x
    x = 675,443,228.99/28,877.20
  6. Step 6: Final answer
    x = 23,390.19

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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.