Home / 64,567.97-96,836.56-27,128.76

Finding the Fourth Proportional to 64,567.97, 96,836.56 and 27,128.76

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Solution

The fourth proportional to 64,567.97, 96,836.56 and 27,128.76 is: 40,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,567.97 : 96,836.56 = 27,128.76 : x
  2. Step 2: Convert to fraction form
    64,567.97/96,836.56 = 27,128.76/x
  3. Step 3: Cross multiply
    64,567.97x = 96,836.56 × 27,128.76
  4. Step 4: Simplify right side
    64,567.97x = 2,627,055,517.11
  5. Step 5: Solve for x
    x = 2,627,055,517.11/64,567.97
  6. Step 6: Final answer
    x = 40,686.67

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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.