Home / 26,666.31-39,998.97-7,959.04

Finding the Fourth Proportional to 26,666.31, 39,998.97 and 7,959.04

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Solution

The fourth proportional to 26,666.31, 39,998.97 and 7,959.04 is: 11,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.31 : 39,998.97 = 7,959.04 : x
  2. Step 2: Convert to fraction form
    26,666.31/39,998.97 = 7,959.04/x
  3. Step 3: Cross multiply
    26,666.31x = 39,998.97 × 7,959.04
  4. Step 4: Simplify right side
    26,666.31x = 318,353,402.19
  5. Step 5: Solve for x
    x = 318,353,402.19/26,666.31
  6. Step 6: Final answer
    x = 11,938.41

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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.