Home / 26,142.79-39,230.28-10,345.15

Finding the Fourth Proportional to 26,142.79, 39,230.28 and 10,345.15

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Solution

The fourth proportional to 26,142.79, 39,230.28 and 10,345.15 is: 15,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.79 : 39,230.28 = 10,345.15 : x
  2. Step 2: Convert to fraction form
    26,142.79/39,230.28 = 10,345.15/x
  3. Step 3: Cross multiply
    26,142.79x = 39,230.28 × 10,345.15
  4. Step 4: Simplify right side
    26,142.79x = 405,843,131.14
  5. Step 5: Solve for x
    x = 405,843,131.14/26,142.79
  6. Step 6: Final answer
    x = 15,524.09

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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.