Home / 26,440.69-39,666.50-8,911.88

Finding the Fourth Proportional to 26,440.69, 39,666.50 and 8,911.88

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Solution

The fourth proportional to 26,440.69, 39,666.50 and 8,911.88 is: 13,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.69 : 39,666.50 = 8,911.88 : x
  2. Step 2: Convert to fraction form
    26,440.69/39,666.50 = 8,911.88/x
  3. Step 3: Cross multiply
    26,440.69x = 39,666.50 × 8,911.88
  4. Step 4: Simplify right side
    26,440.69x = 353,503,088.02
  5. Step 5: Solve for x
    x = 353,503,088.02/26,440.69
  6. Step 6: Final answer
    x = 13,369.66

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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.