Home / 26,998.60-40,368.30-20,000.20

Finding the Fourth Proportional to 26,998.60, 40,368.30 and 20,000.20

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Solution

The fourth proportional to 26,998.60, 40,368.30 and 20,000.20 is: 29,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.60 : 40,368.30 = 20,000.20 : x
  2. Step 2: Convert to fraction form
    26,998.60/40,368.30 = 20,000.20/x
  3. Step 3: Cross multiply
    26,998.60x = 40,368.30 × 20,000.20
  4. Step 4: Simplify right side
    26,998.60x = 807,374,073.66
  5. Step 5: Solve for x
    x = 807,374,073.66/26,998.60
  6. Step 6: Final answer
    x = 29,904.29

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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.