Home / 21,559.30-32,336.52-5,765.99

Finding the Fourth Proportional to 21,559.30, 32,336.52 and 5,765.99

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Solution

The fourth proportional to 21,559.30, 32,336.52 and 5,765.99 is: 8,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.30 : 32,336.52 = 5,765.99 : x
  2. Step 2: Convert to fraction form
    21,559.30/32,336.52 = 5,765.99/x
  3. Step 3: Cross multiply
    21,559.30x = 32,336.52 × 5,765.99
  4. Step 4: Simplify right side
    21,559.30x = 186,451,867.65
  5. Step 5: Solve for x
    x = 186,451,867.65/21,559.30
  6. Step 6: Final answer
    x = 8,648.33

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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.