Home / 21,346.86-32,020.26-5,764.46

Finding the Fourth Proportional to 21,346.86, 32,020.26 and 5,764.46

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Solution

The fourth proportional to 21,346.86, 32,020.26 and 5,764.46 is: 8,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.86 : 32,020.26 = 5,764.46 : x
  2. Step 2: Convert to fraction form
    21,346.86/32,020.26 = 5,764.46/x
  3. Step 3: Cross multiply
    21,346.86x = 32,020.26 × 5,764.46
  4. Step 4: Simplify right side
    21,346.86x = 184,579,507.96
  5. Step 5: Solve for x
    x = 184,579,507.96/21,346.86
  6. Step 6: Final answer
    x = 8,646.68

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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.