Home / 26,576.22-39,821.76-20,328.66

Finding the Fourth Proportional to 26,576.22, 39,821.76 and 20,328.66

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Solution

The fourth proportional to 26,576.22, 39,821.76 and 20,328.66 is: 30,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.22 : 39,821.76 = 20,328.66 : x
  2. Step 2: Convert to fraction form
    26,576.22/39,821.76 = 20,328.66/x
  3. Step 3: Cross multiply
    26,576.22x = 39,821.76 × 20,328.66
  4. Step 4: Simplify right side
    26,576.22x = 809,523,019.64
  5. Step 5: Solve for x
    x = 809,523,019.64/26,576.22
  6. Step 6: Final answer
    x = 30,460.43

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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.