Home / 21,959.91-32,899.77-13,623.39

Finding the Fourth Proportional to 21,959.91, 32,899.77 and 13,623.39

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Solution

The fourth proportional to 21,959.91, 32,899.77 and 13,623.39 is: 20,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.91 : 32,899.77 = 13,623.39 : x
  2. Step 2: Convert to fraction form
    21,959.91/32,899.77 = 13,623.39/x
  3. Step 3: Cross multiply
    21,959.91x = 32,899.77 × 13,623.39
  4. Step 4: Simplify right side
    21,959.91x = 448,206,397.62
  5. Step 5: Solve for x
    x = 448,206,397.62/21,959.91
  6. Step 6: Final answer
    x = 20,410.21

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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.