Home / 26,651.12-39,973.02-7,934.05

Finding the Fourth Proportional to 26,651.12, 39,973.02 and 7,934.05

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Solution

The fourth proportional to 26,651.12, 39,973.02 and 7,934.05 is: 11,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.12 : 39,973.02 = 7,934.05 : x
  2. Step 2: Convert to fraction form
    26,651.12/39,973.02 = 7,934.05/x
  3. Step 3: Cross multiply
    26,651.12x = 39,973.02 × 7,934.05
  4. Step 4: Simplify right side
    26,651.12x = 317,147,739.47
  5. Step 5: Solve for x
    x = 317,147,739.47/26,651.12
  6. Step 6: Final answer
    x = 11,899.98

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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.