Home / 21,385.50-32,091.62-10,293.36

Finding the Fourth Proportional to 21,385.50, 32,091.62 and 10,293.36

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Solution

The fourth proportional to 21,385.50, 32,091.62 and 10,293.36 is: 15,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.50 : 32,091.62 = 10,293.36 : x
  2. Step 2: Convert to fraction form
    21,385.50/32,091.62 = 10,293.36/x
  3. Step 3: Cross multiply
    21,385.50x = 32,091.62 × 10,293.36
  4. Step 4: Simplify right side
    21,385.50x = 330,330,546.18
  5. Step 5: Solve for x
    x = 330,330,546.18/21,385.50
  6. Step 6: Final answer
    x = 15,446.47

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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.