Home / 28,948.10-39,945.66-16,197.86

Finding the Fourth Proportional to 28,948.10, 39,945.66 and 16,197.86

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Solution

The fourth proportional to 28,948.10, 39,945.66 and 16,197.86 is: 22,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.10 : 39,945.66 = 16,197.86 : x
  2. Step 2: Convert to fraction form
    28,948.10/39,945.66 = 16,197.86/x
  3. Step 3: Cross multiply
    28,948.10x = 39,945.66 × 16,197.86
  4. Step 4: Simplify right side
    28,948.10x = 647,034,208.29
  5. Step 5: Solve for x
    x = 647,034,208.29/28,948.10
  6. Step 6: Final answer
    x = 22,351.53

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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.