Home / 21,385.62-32,057.47-11,902.45

Finding the Fourth Proportional to 21,385.62, 32,057.47 and 11,902.45

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Solution

The fourth proportional to 21,385.62, 32,057.47 and 11,902.45 is: 17,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.62 : 32,057.47 = 11,902.45 : x
  2. Step 2: Convert to fraction form
    21,385.62/32,057.47 = 11,902.45/x
  3. Step 3: Cross multiply
    21,385.62x = 32,057.47 × 11,902.45
  4. Step 4: Simplify right side
    21,385.62x = 381,562,433.80
  5. Step 5: Solve for x
    x = 381,562,433.80/21,385.62
  6. Step 6: Final answer
    x = 17,842.01

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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.