Home / 26,269.45-39,381.99-12,222.22

Finding the Fourth Proportional to 26,269.45, 39,381.99 and 12,222.22

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Solution

The fourth proportional to 26,269.45, 39,381.99 and 12,222.22 is: 18,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.45 : 39,381.99 = 12,222.22 : x
  2. Step 2: Convert to fraction form
    26,269.45/39,381.99 = 12,222.22/x
  3. Step 3: Cross multiply
    26,269.45x = 39,381.99 × 12,222.22
  4. Step 4: Simplify right side
    26,269.45x = 481,335,345.82
  5. Step 5: Solve for x
    x = 481,335,345.82/26,269.45
  6. Step 6: Final answer
    x = 18,323.01

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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.