Home / 38,572.22-57,891.21-15,215.06

Finding the Fourth Proportional to 38,572.22, 57,891.21 and 15,215.06

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Solution

The fourth proportional to 38,572.22, 57,891.21 and 15,215.06 is: 22,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.22 : 57,891.21 = 15,215.06 : x
  2. Step 2: Convert to fraction form
    38,572.22/57,891.21 = 15,215.06/x
  3. Step 3: Cross multiply
    38,572.22x = 57,891.21 × 15,215.06
  4. Step 4: Simplify right side
    38,572.22x = 880,818,157.55
  5. Step 5: Solve for x
    x = 880,818,157.55/38,572.22
  6. Step 6: Final answer
    x = 22,835.56

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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.