Home / 21,509.28-32,249.17-10,958.88

Finding the Fourth Proportional to 21,509.28, 32,249.17 and 10,958.88

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Solution

The fourth proportional to 21,509.28, 32,249.17 and 10,958.88 is: 16,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.28 : 32,249.17 = 10,958.88 : x
  2. Step 2: Convert to fraction form
    21,509.28/32,249.17 = 10,958.88/x
  3. Step 3: Cross multiply
    21,509.28x = 32,249.17 × 10,958.88
  4. Step 4: Simplify right side
    21,509.28x = 353,414,784.13
  5. Step 5: Solve for x
    x = 353,414,784.13/21,509.28
  6. Step 6: Final answer
    x = 16,430.80

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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.