Home / 26,317.21-39,503.91-11,331.75

Finding the Fourth Proportional to 26,317.21, 39,503.91 and 11,331.75

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Solution

The fourth proportional to 26,317.21, 39,503.91 and 11,331.75 is: 17,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.21 : 39,503.91 = 11,331.75 : x
  2. Step 2: Convert to fraction form
    26,317.21/39,503.91 = 11,331.75/x
  3. Step 3: Cross multiply
    26,317.21x = 39,503.91 × 11,331.75
  4. Step 4: Simplify right side
    26,317.21x = 447,648,432.14
  5. Step 5: Solve for x
    x = 447,648,432.14/26,317.21
  6. Step 6: Final answer
    x = 17,009.72

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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.