Home / 21,942.30-32,913.45-10,850.70

Finding the Fourth Proportional to 21,942.30, 32,913.45 and 10,850.70

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Solution

The fourth proportional to 21,942.30, 32,913.45 and 10,850.70 is: 16,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.30 : 32,913.45 = 10,850.70 : x
  2. Step 2: Convert to fraction form
    21,942.30/32,913.45 = 10,850.70/x
  3. Step 3: Cross multiply
    21,942.30x = 32,913.45 × 10,850.70
  4. Step 4: Simplify right side
    21,942.30x = 357,133,971.92
  5. Step 5: Solve for x
    x = 357,133,971.92/21,942.30
  6. Step 6: Final answer
    x = 16,276.05

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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.