Home / 26,443.22-36,438.90-18,868.20

Finding the Fourth Proportional to 26,443.22, 36,438.90 and 18,868.20

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Solution

The fourth proportional to 26,443.22, 36,438.90 and 18,868.20 is: 26,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.22 : 36,438.90 = 18,868.20 : x
  2. Step 2: Convert to fraction form
    26,443.22/36,438.90 = 18,868.20/x
  3. Step 3: Cross multiply
    26,443.22x = 36,438.90 × 18,868.20
  4. Step 4: Simplify right side
    26,443.22x = 687,536,452.98
  5. Step 5: Solve for x
    x = 687,536,452.98/26,443.22
  6. Step 6: Final answer
    x = 26,000.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.