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Finding the Fourth Proportional to 26,468.25, 39,702.48 and 6,746.79

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Solution

The fourth proportional to 26,468.25, 39,702.48 and 6,746.79 is: 10,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,468.25 : 39,702.48 = 6,746.79 : x
  2. Step 2: Convert to fraction form
    26,468.25/39,702.48 = 6,746.79/x
  3. Step 3: Cross multiply
    26,468.25x = 39,702.48 × 6,746.79
  4. Step 4: Simplify right side
    26,468.25x = 267,864,295.04
  5. Step 5: Solve for x
    x = 267,864,295.04/26,468.25
  6. Step 6: Final answer
    x = 10,120.21

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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.