Home / 26,522.19-39,729.99-12,270.69

Finding the Fourth Proportional to 26,522.19, 39,729.99 and 12,270.69

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Solution

The fourth proportional to 26,522.19, 39,729.99 and 12,270.69 is: 18,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.19 : 39,729.99 = 12,270.69 : x
  2. Step 2: Convert to fraction form
    26,522.19/39,729.99 = 12,270.69/x
  3. Step 3: Cross multiply
    26,522.19x = 39,729.99 × 12,270.69
  4. Step 4: Simplify right side
    26,522.19x = 487,514,390.99
  5. Step 5: Solve for x
    x = 487,514,390.99/26,522.19
  6. Step 6: Final answer
    x = 18,381.38

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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.