Home / 21,871.92-32,805.96-11,341.44

Finding the Fourth Proportional to 21,871.92, 32,805.96 and 11,341.44

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Solution

The fourth proportional to 21,871.92, 32,805.96 and 11,341.44 is: 17,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871.92 : 32,805.96 = 11,341.44 : x
  2. Step 2: Convert to fraction form
    21,871.92/32,805.96 = 11,341.44/x
  3. Step 3: Cross multiply
    21,871.92x = 32,805.96 × 11,341.44
  4. Step 4: Simplify right side
    21,871.92x = 372,066,826.98
  5. Step 5: Solve for x
    x = 372,066,826.98/21,871.92
  6. Step 6: Final answer
    x = 17,011.16

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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.