Home / 26,674.72-40,002.48-9,139.84

Finding the Fourth Proportional to 26,674.72, 40,002.48 and 9,139.84

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Solution

The fourth proportional to 26,674.72, 40,002.48 and 9,139.84 is: 13,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.72 : 40,002.48 = 9,139.84 : x
  2. Step 2: Convert to fraction form
    26,674.72/40,002.48 = 9,139.84/x
  3. Step 3: Cross multiply
    26,674.72x = 40,002.48 × 9,139.84
  4. Step 4: Simplify right side
    26,674.72x = 365,616,266.80
  5. Step 5: Solve for x
    x = 365,616,266.80/26,674.72
  6. Step 6: Final answer
    x = 13,706.47

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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.