Home / 21,833.82-32,754.36-8,686.32

Finding the Fourth Proportional to 21,833.82, 32,754.36 and 8,686.32

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Solution

The fourth proportional to 21,833.82, 32,754.36 and 8,686.32 is: 13,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.82 : 32,754.36 = 8,686.32 : x
  2. Step 2: Convert to fraction form
    21,833.82/32,754.36 = 8,686.32/x
  3. Step 3: Cross multiply
    21,833.82x = 32,754.36 × 8,686.32
  4. Step 4: Simplify right side
    21,833.82x = 284,514,852.36
  5. Step 5: Solve for x
    x = 284,514,852.36/21,833.82
  6. Step 6: Final answer
    x = 13,030.92

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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.