Home / 65,712.15-98,485.88-28,227.69

Finding the Fourth Proportional to 65,712.15, 98,485.88 and 28,227.69

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Solution

The fourth proportional to 65,712.15, 98,485.88 and 28,227.69 is: 42,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712.15 : 98,485.88 = 28,227.69 : x
  2. Step 2: Convert to fraction form
    65,712.15/98,485.88 = 28,227.69/x
  3. Step 3: Cross multiply
    65,712.15x = 98,485.88 × 28,227.69
  4. Step 4: Simplify right side
    65,712.15x = 2,780,028,748.88
  5. Step 5: Solve for x
    x = 2,780,028,748.88/65,712.15
  6. Step 6: Final answer
    x = 42,306.16

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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.