Home / 26,289-39,432.06-10,719.72

Finding the Fourth Proportional to 26,289, 39,432.06 and 10,719.72

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Solution

The fourth proportional to 26,289, 39,432.06 and 10,719.72 is: 16,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289 : 39,432.06 = 10,719.72 : x
  2. Step 2: Convert to fraction form
    26,289/39,432.06 = 10,719.72/x
  3. Step 3: Cross multiply
    26,289x = 39,432.06 × 10,719.72
  4. Step 4: Simplify right side
    26,289x = 422,700,642.22
  5. Step 5: Solve for x
    x = 422,700,642.22/26,289
  6. Step 6: Final answer
    x = 16,078.99

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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.