Home / 40,362.28-60,507.90-15,721

Finding the Fourth Proportional to 40,362.28, 60,507.90 and 15,721

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Solution

The fourth proportional to 40,362.28, 60,507.90 and 15,721 is: 23,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.28 : 60,507.90 = 15,721 : x
  2. Step 2: Convert to fraction form
    40,362.28/60,507.90 = 15,721/x
  3. Step 3: Cross multiply
    40,362.28x = 60,507.90 × 15,721
  4. Step 4: Simplify right side
    40,362.28x = 951,244,695.90
  5. Step 5: Solve for x
    x = 951,244,695.90/40,362.28
  6. Step 6: Final answer
    x = 23,567.67

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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.