Home / 26,642.55-39,964.50-9,112.26

Finding the Fourth Proportional to 26,642.55, 39,964.50 and 9,112.26

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Solution

The fourth proportional to 26,642.55, 39,964.50 and 9,112.26 is: 13,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.55 : 39,964.50 = 9,112.26 : x
  2. Step 2: Convert to fraction form
    26,642.55/39,964.50 = 9,112.26/x
  3. Step 3: Cross multiply
    26,642.55x = 39,964.50 × 9,112.26
  4. Step 4: Simplify right side
    26,642.55x = 364,166,914.77
  5. Step 5: Solve for x
    x = 364,166,914.77/26,642.55
  6. Step 6: Final answer
    x = 13,668.62

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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.