Home / 21,905.24-32,848.13-13,584.92

Finding the Fourth Proportional to 21,905.24, 32,848.13 and 13,584.92

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Solution

The fourth proportional to 21,905.24, 32,848.13 and 13,584.92 is: 20,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.24 : 32,848.13 = 13,584.92 : x
  2. Step 2: Convert to fraction form
    21,905.24/32,848.13 = 13,584.92/x
  3. Step 3: Cross multiply
    21,905.24x = 32,848.13 × 13,584.92
  4. Step 4: Simplify right side
    21,905.24x = 446,239,087.92
  5. Step 5: Solve for x
    x = 446,239,087.92/21,905.24
  6. Step 6: Final answer
    x = 20,371.34

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1.5x scale

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.