Home / 26,401.82-39,602.74-8,871.66

Finding the Fourth Proportional to 26,401.82, 39,602.74 and 8,871.66

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Solution

The fourth proportional to 26,401.82, 39,602.74 and 8,871.66 is: 13,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.82 : 39,602.74 = 8,871.66 : x
  2. Step 2: Convert to fraction form
    26,401.82/39,602.74 = 8,871.66/x
  3. Step 3: Cross multiply
    26,401.82x = 39,602.74 × 8,871.66
  4. Step 4: Simplify right side
    26,401.82x = 351,342,044.35
  5. Step 5: Solve for x
    x = 351,342,044.35/26,401.82
  6. Step 6: Final answer
    x = 13,307.49

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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.