Home / 26,989.06-40,446.03-13,813.60

Finding the Fourth Proportional to 26,989.06, 40,446.03 and 13,813.60

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Solution

The fourth proportional to 26,989.06, 40,446.03 and 13,813.60 is: 20,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.06 : 40,446.03 = 13,813.60 : x
  2. Step 2: Convert to fraction form
    26,989.06/40,446.03 = 13,813.60/x
  3. Step 3: Cross multiply
    26,989.06x = 40,446.03 × 13,813.60
  4. Step 4: Simplify right side
    26,989.06x = 558,705,280.01
  5. Step 5: Solve for x
    x = 558,705,280.01/26,989.06
  6. Step 6: Final answer
    x = 20,701.18

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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.