Home / 21,032.69-29,025.74-12,081.92

Finding the Fourth Proportional to 21,032.69, 29,025.74 and 12,081.92

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Solution

The fourth proportional to 21,032.69, 29,025.74 and 12,081.92 is: 16,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.69 : 29,025.74 = 12,081.92 : x
  2. Step 2: Convert to fraction form
    21,032.69/29,025.74 = 12,081.92/x
  3. Step 3: Cross multiply
    21,032.69x = 29,025.74 × 12,081.92
  4. Step 4: Simplify right side
    21,032.69x = 350,686,553.70
  5. Step 5: Solve for x
    x = 350,686,553.70/21,032.69
  6. Step 6: Final answer
    x = 16,673.41

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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.