Home / 21,984.58-32,942.28-16,999.12

Finding the Fourth Proportional to 21,984.58, 32,942.28 and 16,999.12

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Solution

The fourth proportional to 21,984.58, 32,942.28 and 16,999.12 is: 25,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.58 : 32,942.28 = 16,999.12 : x
  2. Step 2: Convert to fraction form
    21,984.58/32,942.28 = 16,999.12/x
  3. Step 3: Cross multiply
    21,984.58x = 32,942.28 × 16,999.12
  4. Step 4: Simplify right side
    21,984.58x = 559,989,770.79
  5. Step 5: Solve for x
    x = 559,989,770.79/21,984.58
  6. Step 6: Final answer
    x = 25,471.93

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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.