Home / 26,109.72-39,169.44-11,315.88

Finding the Fourth Proportional to 26,109.72, 39,169.44 and 11,315.88

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Solution

The fourth proportional to 26,109.72, 39,169.44 and 11,315.88 is: 16,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.72 : 39,169.44 = 11,315.88 : x
  2. Step 2: Convert to fraction form
    26,109.72/39,169.44 = 11,315.88/x
  3. Step 3: Cross multiply
    26,109.72x = 39,169.44 × 11,315.88
  4. Step 4: Simplify right side
    26,109.72x = 443,236,682.71
  5. Step 5: Solve for x
    x = 443,236,682.71/26,109.72
  6. Step 6: Final answer
    x = 16,975.93

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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.