Home / 26,286.60-39,454.20-13,148.40

Finding the Fourth Proportional to 26,286.60, 39,454.20 and 13,148.40

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Solution

The fourth proportional to 26,286.60, 39,454.20 and 13,148.40 is: 19,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.60 : 39,454.20 = 13,148.40 : x
  2. Step 2: Convert to fraction form
    26,286.60/39,454.20 = 13,148.40/x
  3. Step 3: Cross multiply
    26,286.60x = 39,454.20 × 13,148.40
  4. Step 4: Simplify right side
    26,286.60x = 518,759,603.28
  5. Step 5: Solve for x
    x = 518,759,603.28/26,286.60
  6. Step 6: Final answer
    x = 19,734.75

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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.