Home / 26,902.60-40,320.30-13,760.20

Finding the Fourth Proportional to 26,902.60, 40,320.30 and 13,760.20

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Solution

The fourth proportional to 26,902.60, 40,320.30 and 13,760.20 is: 20,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.60 : 40,320.30 = 13,760.20 : x
  2. Step 2: Convert to fraction form
    26,902.60/40,320.30 = 13,760.20/x
  3. Step 3: Cross multiply
    26,902.60x = 40,320.30 × 13,760.20
  4. Step 4: Simplify right side
    26,902.60x = 554,815,392.06
  5. Step 5: Solve for x
    x = 554,815,392.06/26,902.60
  6. Step 6: Final answer
    x = 20,623.11

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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.