Home / 38,515.29-57,725.22-21,824.76

Finding the Fourth Proportional to 38,515.29, 57,725.22 and 21,824.76

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Solution

The fourth proportional to 38,515.29, 57,725.22 and 21,824.76 is: 32,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.29 : 57,725.22 = 21,824.76 : x
  2. Step 2: Convert to fraction form
    38,515.29/57,725.22 = 21,824.76/x
  3. Step 3: Cross multiply
    38,515.29x = 57,725.22 × 21,824.76
  4. Step 4: Simplify right side
    38,515.29x = 1,259,839,072.45
  5. Step 5: Solve for x
    x = 1,259,839,072.45/38,515.29
  6. Step 6: Final answer
    x = 32,710.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.