Home / 21,711.36-32,567.37-6,932.70

Finding the Fourth Proportional to 21,711.36, 32,567.37 and 6,932.70

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Solution

The fourth proportional to 21,711.36, 32,567.37 and 6,932.70 is: 10,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.36 : 32,567.37 = 6,932.70 : x
  2. Step 2: Convert to fraction form
    21,711.36/32,567.37 = 6,932.70/x
  3. Step 3: Cross multiply
    21,711.36x = 32,567.37 × 6,932.70
  4. Step 4: Simplify right side
    21,711.36x = 225,779,806.00
  5. Step 5: Solve for x
    x = 225,779,806.00/21,711.36
  6. Step 6: Final answer
    x = 10,399.16

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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.