Home / 27,951.95-38,569.38-16,621.22

Finding the Fourth Proportional to 27,951.95, 38,569.38 and 16,621.22

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Solution

The fourth proportional to 27,951.95, 38,569.38 and 16,621.22 is: 22,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.95 : 38,569.38 = 16,621.22 : x
  2. Step 2: Convert to fraction form
    27,951.95/38,569.38 = 16,621.22/x
  3. Step 3: Cross multiply
    27,951.95x = 38,569.38 × 16,621.22
  4. Step 4: Simplify right side
    27,951.95x = 641,070,150.24
  5. Step 5: Solve for x
    x = 641,070,150.24/27,951.95
  6. Step 6: Final answer
    x = 22,934.72

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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.