Home / 65,527.76-98,278.68-18,785.36

Finding the Fourth Proportional to 65,527.76, 98,278.68 and 18,785.36

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Solution

The fourth proportional to 65,527.76, 98,278.68 and 18,785.36 is: 28,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,527.76 : 98,278.68 = 18,785.36 : x
  2. Step 2: Convert to fraction form
    65,527.76/98,278.68 = 18,785.36/x
  3. Step 3: Cross multiply
    65,527.76x = 98,278.68 × 18,785.36
  4. Step 4: Simplify right side
    65,527.76x = 1,846,200,384.12
  5. Step 5: Solve for x
    x = 1,846,200,384.12/65,527.76
  6. Step 6: Final answer
    x = 28,174.32

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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.