Home / 21,371.92-32,053.96-5,790.80

Finding the Fourth Proportional to 21,371.92, 32,053.96 and 5,790.80

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Solution

The fourth proportional to 21,371.92, 32,053.96 and 5,790.80 is: 8,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.92 : 32,053.96 = 5,790.80 : x
  2. Step 2: Convert to fraction form
    21,371.92/32,053.96 = 5,790.80/x
  3. Step 3: Cross multiply
    21,371.92x = 32,053.96 × 5,790.80
  4. Step 4: Simplify right side
    21,371.92x = 185,618,071.57
  5. Step 5: Solve for x
    x = 185,618,071.57/21,371.92
  6. Step 6: Final answer
    x = 8,685.14

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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.