Home / 26,682.78-39,987.24-10,026.12

Finding the Fourth Proportional to 26,682.78, 39,987.24 and 10,026.12

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Solution

The fourth proportional to 26,682.78, 39,987.24 and 10,026.12 is: 15,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.78 : 39,987.24 = 10,026.12 : x
  2. Step 2: Convert to fraction form
    26,682.78/39,987.24 = 10,026.12/x
  3. Step 3: Cross multiply
    26,682.78x = 39,987.24 × 10,026.12
  4. Step 4: Simplify right side
    26,682.78x = 400,916,866.71
  5. Step 5: Solve for x
    x = 400,916,866.71/26,682.78
  6. Step 6: Final answer
    x = 15,025.30

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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.