Home / 21,600.20-32,409.71-7,570.33

Finding the Fourth Proportional to 21,600.20, 32,409.71 and 7,570.33

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Solution

The fourth proportional to 21,600.20, 32,409.71 and 7,570.33 is: 11,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.20 : 32,409.71 = 7,570.33 : x
  2. Step 2: Convert to fraction form
    21,600.20/32,409.71 = 7,570.33/x
  3. Step 3: Cross multiply
    21,600.20x = 32,409.71 × 7,570.33
  4. Step 4: Simplify right side
    21,600.20x = 245,352,199.90
  5. Step 5: Solve for x
    x = 245,352,199.90/21,600.20
  6. Step 6: Final answer
    x = 11,358.79

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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.