Home / 21,558.85-32,339.90-5,763.54

Finding the Fourth Proportional to 21,558.85, 32,339.90 and 5,763.54

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Solution

The fourth proportional to 21,558.85, 32,339.90 and 5,763.54 is: 8,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.85 : 32,339.90 = 5,763.54 : x
  2. Step 2: Convert to fraction form
    21,558.85/32,339.90 = 5,763.54/x
  3. Step 3: Cross multiply
    21,558.85x = 32,339.90 × 5,763.54
  4. Step 4: Simplify right side
    21,558.85x = 186,392,393.40
  5. Step 5: Solve for x
    x = 186,392,393.40/21,558.85
  6. Step 6: Final answer
    x = 8,645.75

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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.