Home / 21,478.68-32,217.96-5,896.32

Finding the Fourth Proportional to 21,478.68, 32,217.96 and 5,896.32

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Solution

The fourth proportional to 21,478.68, 32,217.96 and 5,896.32 is: 8,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,478.68 : 32,217.96 = 5,896.32 : x
  2. Step 2: Convert to fraction form
    21,478.68/32,217.96 = 5,896.32/x
  3. Step 3: Cross multiply
    21,478.68x = 32,217.96 × 5,896.32
  4. Step 4: Simplify right side
    21,478.68x = 189,967,401.91
  5. Step 5: Solve for x
    x = 189,967,401.91/21,478.68
  6. Step 6: Final answer
    x = 8,844.46

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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.