Home / 36,419.28-54,667.80-15,657.36

Finding the Fourth Proportional to 36,419.28, 54,667.80 and 15,657.36

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Solution

The fourth proportional to 36,419.28, 54,667.80 and 15,657.36 is: 23,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.28 : 54,667.80 = 15,657.36 : x
  2. Step 2: Convert to fraction form
    36,419.28/54,667.80 = 15,657.36/x
  3. Step 3: Cross multiply
    36,419.28x = 54,667.80 × 15,657.36
  4. Step 4: Simplify right side
    36,419.28x = 855,953,425.01
  5. Step 5: Solve for x
    x = 855,953,425.01/36,419.28
  6. Step 6: Final answer
    x = 23,502.76

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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.