Home / 28,963.08-39,959.76-16,214.39

Finding the Fourth Proportional to 28,963.08, 39,959.76 and 16,214.39

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Solution

The fourth proportional to 28,963.08, 39,959.76 and 16,214.39 is: 22,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.08 : 39,959.76 = 16,214.39 : x
  2. Step 2: Convert to fraction form
    28,963.08/39,959.76 = 16,214.39/x
  3. Step 3: Cross multiply
    28,963.08x = 39,959.76 × 16,214.39
  4. Step 4: Simplify right side
    28,963.08x = 647,923,132.95
  5. Step 5: Solve for x
    x = 647,923,132.95/28,963.08
  6. Step 6: Final answer
    x = 22,370.66

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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.