Home / 26,258.47-39,387.71-8,728.30

Finding the Fourth Proportional to 26,258.47, 39,387.71 and 8,728.30

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Solution

The fourth proportional to 26,258.47, 39,387.71 and 8,728.30 is: 13,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.47 : 39,387.71 = 8,728.30 : x
  2. Step 2: Convert to fraction form
    26,258.47/39,387.71 = 8,728.30/x
  3. Step 3: Cross multiply
    26,258.47x = 39,387.71 × 8,728.30
  4. Step 4: Simplify right side
    26,258.47x = 343,787,672.54
  5. Step 5: Solve for x
    x = 343,787,672.54/26,258.47
  6. Step 6: Final answer
    x = 13,092.45

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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.