Home / 26,367.30-39,551.31-9,720.90

Finding the Fourth Proportional to 26,367.30, 39,551.31 and 9,720.90

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Solution

The fourth proportional to 26,367.30, 39,551.31 and 9,720.90 is: 14,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.30 : 39,551.31 = 9,720.90 : x
  2. Step 2: Convert to fraction form
    26,367.30/39,551.31 = 9,720.90/x
  3. Step 3: Cross multiply
    26,367.30x = 39,551.31 × 9,720.90
  4. Step 4: Simplify right side
    26,367.30x = 384,474,329.38
  5. Step 5: Solve for x
    x = 384,474,329.38/26,367.30
  6. Step 6: Final answer
    x = 14,581.48

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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.