Home / 26,668.29-39,958.61-9,128.55

Finding the Fourth Proportional to 26,668.29, 39,958.61 and 9,128.55

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Solution

The fourth proportional to 26,668.29, 39,958.61 and 9,128.55 is: 13,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.29 : 39,958.61 = 9,128.55 : x
  2. Step 2: Convert to fraction form
    26,668.29/39,958.61 = 9,128.55/x
  3. Step 3: Cross multiply
    26,668.29x = 39,958.61 × 9,128.55
  4. Step 4: Simplify right side
    26,668.29x = 364,764,123.67
  5. Step 5: Solve for x
    x = 364,764,123.67/26,668.29
  6. Step 6: Final answer
    x = 13,677.82

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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.