Home / 28,922-39,919.66-16,354.04

Finding the Fourth Proportional to 28,922, 39,919.66 and 16,354.04

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Solution

The fourth proportional to 28,922, 39,919.66 and 16,354.04 is: 22,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922 : 39,919.66 = 16,354.04 : x
  2. Step 2: Convert to fraction form
    28,922/39,919.66 = 16,354.04/x
  3. Step 3: Cross multiply
    28,922x = 39,919.66 × 16,354.04
  4. Step 4: Simplify right side
    28,922x = 652,847,716.43
  5. Step 5: Solve for x
    x = 652,847,716.43/28,922
  6. Step 6: Final answer
    x = 22,572.70

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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.