Home / 21,357.44-32,036.52-8,877.32

Finding the Fourth Proportional to 21,357.44, 32,036.52 and 8,877.32

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Solution

The fourth proportional to 21,357.44, 32,036.52 and 8,877.32 is: 13,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.44 : 32,036.52 = 8,877.32 : x
  2. Step 2: Convert to fraction form
    21,357.44/32,036.52 = 8,877.32/x
  3. Step 3: Cross multiply
    21,357.44x = 32,036.52 × 8,877.32
  4. Step 4: Simplify right side
    21,357.44x = 284,398,439.73
  5. Step 5: Solve for x
    x = 284,398,439.73/21,357.44
  6. Step 6: Final answer
    x = 13,316.13

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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.