Home / 26,135.69-39,209.61-8,605.67

Finding the Fourth Proportional to 26,135.69, 39,209.61 and 8,605.67

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Solution

The fourth proportional to 26,135.69, 39,209.61 and 8,605.67 is: 12,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.69 : 39,209.61 = 8,605.67 : x
  2. Step 2: Convert to fraction form
    26,135.69/39,209.61 = 8,605.67/x
  3. Step 3: Cross multiply
    26,135.69x = 39,209.61 × 8,605.67
  4. Step 4: Simplify right side
    26,135.69x = 337,424,964.49
  5. Step 5: Solve for x
    x = 337,424,964.49/26,135.69
  6. Step 6: Final answer
    x = 12,910.51

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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.