Home / 26,503.98-39,740.97-8,729.84

Finding the Fourth Proportional to 26,503.98, 39,740.97 and 8,729.84

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Solution

The fourth proportional to 26,503.98, 39,740.97 and 8,729.84 is: 13,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.98 : 39,740.97 = 8,729.84 : x
  2. Step 2: Convert to fraction form
    26,503.98/39,740.97 = 8,729.84/x
  3. Step 3: Cross multiply
    26,503.98x = 39,740.97 × 8,729.84
  4. Step 4: Simplify right side
    26,503.98x = 346,932,110.84
  5. Step 5: Solve for x
    x = 346,932,110.84/26,503.98
  6. Step 6: Final answer
    x = 13,089.81

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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.