Home / 21,355.85-32,034.72-6,565.39

Finding the Fourth Proportional to 21,355.85, 32,034.72 and 6,565.39

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Solution

The fourth proportional to 21,355.85, 32,034.72 and 6,565.39 is: 9,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.85 : 32,034.72 = 6,565.39 : x
  2. Step 2: Convert to fraction form
    21,355.85/32,034.72 = 6,565.39/x
  3. Step 3: Cross multiply
    21,355.85x = 32,034.72 × 6,565.39
  4. Step 4: Simplify right side
    21,355.85x = 210,320,374.87
  5. Step 5: Solve for x
    x = 210,320,374.87/21,355.85
  6. Step 6: Final answer
    x = 9,848.37

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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.