Home / 26,145.75-39,220.14-9,505.72

Finding the Fourth Proportional to 26,145.75, 39,220.14 and 9,505.72

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Solution

The fourth proportional to 26,145.75, 39,220.14 and 9,505.72 is: 14,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.75 : 39,220.14 = 9,505.72 : x
  2. Step 2: Convert to fraction form
    26,145.75/39,220.14 = 9,505.72/x
  3. Step 3: Cross multiply
    26,145.75x = 39,220.14 × 9,505.72
  4. Step 4: Simplify right side
    26,145.75x = 372,815,473.10
  5. Step 5: Solve for x
    x = 372,815,473.10/26,145.75
  6. Step 6: Final answer
    x = 14,259.12

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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.