Home / 21,039.24-29,034.82-12,088.54

Finding the Fourth Proportional to 21,039.24, 29,034.82 and 12,088.54

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Solution

The fourth proportional to 21,039.24, 29,034.82 and 12,088.54 is: 16,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.24 : 29,034.82 = 12,088.54 : x
  2. Step 2: Convert to fraction form
    21,039.24/29,034.82 = 12,088.54/x
  3. Step 3: Cross multiply
    21,039.24x = 29,034.82 × 12,088.54
  4. Step 4: Simplify right side
    21,039.24x = 350,988,634.37
  5. Step 5: Solve for x
    x = 350,988,634.37/21,039.24
  6. Step 6: Final answer
    x = 16,682.57

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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.