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Finding the Fourth Proportional to 65,727.40, 98,631.60 and 26,280.40

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Solution

The fourth proportional to 65,727.40, 98,631.60 and 26,280.40 is: 39,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.40 : 98,631.60 = 26,280.40 : x
  2. Step 2: Convert to fraction form
    65,727.40/98,631.60 = 26,280.40/x
  3. Step 3: Cross multiply
    65,727.40x = 98,631.60 × 26,280.40
  4. Step 4: Simplify right side
    65,727.40x = 2,592,077,900.64
  5. Step 5: Solve for x
    x = 2,592,077,900.64/65,727.40
  6. Step 6: Final answer
    x = 39,436.79

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1.5x scale

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.