Home / 20,722.34-31,074.37-5,927.89

Finding the Fourth Proportional to 20,722.34, 31,074.37 and 5,927.89

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Solution

The fourth proportional to 20,722.34, 31,074.37 and 5,927.89 is: 8,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.34 : 31,074.37 = 5,927.89 : x
  2. Step 2: Convert to fraction form
    20,722.34/31,074.37 = 5,927.89/x
  3. Step 3: Cross multiply
    20,722.34x = 31,074.37 × 5,927.89
  4. Step 4: Simplify right side
    20,722.34x = 184,205,354.67
  5. Step 5: Solve for x
    x = 184,205,354.67/20,722.34
  6. Step 6: Final answer
    x = 8,889.22

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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.