Home / 26,181.39-39,258.12-13,671.15

Finding the Fourth Proportional to 26,181.39, 39,258.12 and 13,671.15

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Solution

The fourth proportional to 26,181.39, 39,258.12 and 13,671.15 is: 20,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.39 : 39,258.12 = 13,671.15 : x
  2. Step 2: Convert to fraction form
    26,181.39/39,258.12 = 13,671.15/x
  3. Step 3: Cross multiply
    26,181.39x = 39,258.12 × 13,671.15
  4. Step 4: Simplify right side
    26,181.39x = 536,703,647.24
  5. Step 5: Solve for x
    x = 536,703,647.24/26,181.39
  6. Step 6: Final answer
    x = 20,499.43

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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.