Home / 21,410.28-32,115.34-5,827.88

Finding the Fourth Proportional to 21,410.28, 32,115.34 and 5,827.88

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Solution

The fourth proportional to 21,410.28, 32,115.34 and 5,827.88 is: 8,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.28 : 32,115.34 = 5,827.88 : x
  2. Step 2: Convert to fraction form
    21,410.28/32,115.34 = 5,827.88/x
  3. Step 3: Cross multiply
    21,410.28x = 32,115.34 × 5,827.88
  4. Step 4: Simplify right side
    21,410.28x = 187,164,347.68
  5. Step 5: Solve for x
    x = 187,164,347.68/21,410.28
  6. Step 6: Final answer
    x = 8,741.80

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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.