Home / 26,012.76-39,019.14-12,171.48

Finding the Fourth Proportional to 26,012.76, 39,019.14 and 12,171.48

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Solution

The fourth proportional to 26,012.76, 39,019.14 and 12,171.48 is: 18,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.76 : 39,019.14 = 12,171.48 : x
  2. Step 2: Convert to fraction form
    26,012.76/39,019.14 = 12,171.48/x
  3. Step 3: Cross multiply
    26,012.76x = 39,019.14 × 12,171.48
  4. Step 4: Simplify right side
    26,012.76x = 474,920,682.13
  5. Step 5: Solve for x
    x = 474,920,682.13/26,012.76
  6. Step 6: Final answer
    x = 18,257.22

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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.