Home / 26,861.40-40,292.10-20,633.40

Finding the Fourth Proportional to 26,861.40, 40,292.10 and 20,633.40

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Solution

The fourth proportional to 26,861.40, 40,292.10 and 20,633.40 is: 30,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.40 : 40,292.10 = 20,633.40 : x
  2. Step 2: Convert to fraction form
    26,861.40/40,292.10 = 20,633.40/x
  3. Step 3: Cross multiply
    26,861.40x = 40,292.10 × 20,633.40
  4. Step 4: Simplify right side
    26,861.40x = 831,363,016.14
  5. Step 5: Solve for x
    x = 831,363,016.14/26,861.40
  6. Step 6: Final answer
    x = 30,950.10

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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.