Home / 26,109.80-39,150.30-11,316.20

Finding the Fourth Proportional to 26,109.80, 39,150.30 and 11,316.20

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Solution

The fourth proportional to 26,109.80, 39,150.30 and 11,316.20 is: 16,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.80 : 39,150.30 = 11,316.20 : x
  2. Step 2: Convert to fraction form
    26,109.80/39,150.30 = 11,316.20/x
  3. Step 3: Cross multiply
    26,109.80x = 39,150.30 × 11,316.20
  4. Step 4: Simplify right side
    26,109.80x = 443,032,624.86
  5. Step 5: Solve for x
    x = 443,032,624.86/26,109.80
  6. Step 6: Final answer
    x = 16,968.06

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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.