Home / 21,826.08-32,743.97-11,960.28

Finding the Fourth Proportional to 21,826.08, 32,743.97 and 11,960.28

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Solution

The fourth proportional to 21,826.08, 32,743.97 and 11,960.28 is: 17,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.08 : 32,743.97 = 11,960.28 : x
  2. Step 2: Convert to fraction form
    21,826.08/32,743.97 = 11,960.28/x
  3. Step 3: Cross multiply
    21,826.08x = 32,743.97 × 11,960.28
  4. Step 4: Simplify right side
    21,826.08x = 391,626,989.71
  5. Step 5: Solve for x
    x = 391,626,989.71/21,826.08
  6. Step 6: Final answer
    x = 17,943.07

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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.