Home / 38,217.11-57,312.03-15,721.22

Finding the Fourth Proportional to 38,217.11, 57,312.03 and 15,721.22

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Solution

The fourth proportional to 38,217.11, 57,312.03 and 15,721.22 is: 23,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.11 : 57,312.03 = 15,721.22 : x
  2. Step 2: Convert to fraction form
    38,217.11/57,312.03 = 15,721.22/x
  3. Step 3: Cross multiply
    38,217.11x = 57,312.03 × 15,721.22
  4. Step 4: Simplify right side
    38,217.11x = 901,014,901.68
  5. Step 5: Solve for x
    x = 901,014,901.68/38,217.11
  6. Step 6: Final answer
    x = 23,576.22

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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.