Home / 27,916.56-38,524.80-15,341.52

Finding the Fourth Proportional to 27,916.56, 38,524.80 and 15,341.52

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Solution

The fourth proportional to 27,916.56, 38,524.80 and 15,341.52 is: 21,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.56 : 38,524.80 = 15,341.52 : x
  2. Step 2: Convert to fraction form
    27,916.56/38,524.80 = 15,341.52/x
  3. Step 3: Cross multiply
    27,916.56x = 38,524.80 × 15,341.52
  4. Step 4: Simplify right side
    27,916.56x = 591,028,989.70
  5. Step 5: Solve for x
    x = 591,028,989.70/27,916.56
  6. Step 6: Final answer
    x = 21,171.27

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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.