Home / 22,129.15-30,546.09-19,767.19

Finding the Fourth Proportional to 22,129.15, 30,546.09 and 19,767.19

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Solution

The fourth proportional to 22,129.15, 30,546.09 and 19,767.19 is: 27,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.15 : 30,546.09 = 19,767.19 : x
  2. Step 2: Convert to fraction form
    22,129.15/30,546.09 = 19,767.19/x
  3. Step 3: Cross multiply
    22,129.15x = 30,546.09 × 19,767.19
  4. Step 4: Simplify right side
    22,129.15x = 603,810,113.22
  5. Step 5: Solve for x
    x = 603,810,113.22/22,129.15
  6. Step 6: Final answer
    x = 27,285.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.