Home / 21,431.32-32,146.80-5,848.96

Finding the Fourth Proportional to 21,431.32, 32,146.80 and 5,848.96

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Solution

The fourth proportional to 21,431.32, 32,146.80 and 5,848.96 is: 8,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,431.32 : 32,146.80 = 5,848.96 : x
  2. Step 2: Convert to fraction form
    21,431.32/32,146.80 = 5,848.96/x
  3. Step 3: Cross multiply
    21,431.32x = 32,146.80 × 5,848.96
  4. Step 4: Simplify right side
    21,431.32x = 188,025,347.33
  5. Step 5: Solve for x
    x = 188,025,347.33/21,431.32
  6. Step 6: Final answer
    x = 8,773.39

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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.