Home / 26,015.20-39,061.20-18,258.40

Finding the Fourth Proportional to 26,015.20, 39,061.20 and 18,258.40

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Solution

The fourth proportional to 26,015.20, 39,061.20 and 18,258.40 is: 27,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,015.20 : 39,061.20 = 18,258.40 : x
  2. Step 2: Convert to fraction form
    26,015.20/39,061.20 = 18,258.40/x
  3. Step 3: Cross multiply
    26,015.20x = 39,061.20 × 18,258.40
  4. Step 4: Simplify right side
    26,015.20x = 713,195,014.08
  5. Step 5: Solve for x
    x = 713,195,014.08/26,015.20
  6. Step 6: Final answer
    x = 27,414.55

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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.