Home / 38,217.30-57,312.31-15,721.41

Finding the Fourth Proportional to 38,217.30, 57,312.31 and 15,721.41

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Solution

The fourth proportional to 38,217.30, 57,312.31 and 15,721.41 is: 23,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.30 : 57,312.31 = 15,721.41 : x
  2. Step 2: Convert to fraction form
    38,217.30/57,312.31 = 15,721.41/x
  3. Step 3: Cross multiply
    38,217.30x = 57,312.31 × 15,721.41
  4. Step 4: Simplify right side
    38,217.30x = 901,030,284.25
  5. Step 5: Solve for x
    x = 901,030,284.25/38,217.30
  6. Step 6: Final answer
    x = 23,576.50

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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.