Home / 65,719.52-98,612.40-26,288

Finding the Fourth Proportional to 65,719.52, 98,612.40 and 26,288

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Solution

The fourth proportional to 65,719.52, 98,612.40 and 26,288 is: 39,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719.52 : 98,612.40 = 26,288 : x
  2. Step 2: Convert to fraction form
    65,719.52/98,612.40 = 26,288/x
  3. Step 3: Cross multiply
    65,719.52x = 98,612.40 × 26,288
  4. Step 4: Simplify right side
    65,719.52x = 2,592,322,771.20
  5. Step 5: Solve for x
    x = 2,592,322,771.20/65,719.52
  6. Step 6: Final answer
    x = 39,445.25

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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.