Home / 28,948.74-39,951.18-16,203.12

Finding the Fourth Proportional to 28,948.74, 39,951.18 and 16,203.12

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Solution

The fourth proportional to 28,948.74, 39,951.18 and 16,203.12 is: 22,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.74 : 39,951.18 = 16,203.12 : x
  2. Step 2: Convert to fraction form
    28,948.74/39,951.18 = 16,203.12/x
  3. Step 3: Cross multiply
    28,948.74x = 39,951.18 × 16,203.12
  4. Step 4: Simplify right side
    28,948.74x = 647,333,763.68
  5. Step 5: Solve for x
    x = 647,333,763.68/28,948.74
  6. Step 6: Final answer
    x = 22,361.38

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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.