Home / 27,916.16-38,524.34-15,169.22

Finding the Fourth Proportional to 27,916.16, 38,524.34 and 15,169.22

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Solution

The fourth proportional to 27,916.16, 38,524.34 and 15,169.22 is: 20,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.16 : 38,524.34 = 15,169.22 : x
  2. Step 2: Convert to fraction form
    27,916.16/38,524.34 = 15,169.22/x
  3. Step 3: Cross multiply
    27,916.16x = 38,524.34 × 15,169.22
  4. Step 4: Simplify right side
    27,916.16x = 584,384,178.58
  5. Step 5: Solve for x
    x = 584,384,178.58/27,916.16
  6. Step 6: Final answer
    x = 20,933.55

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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.