Home / 21,909.02-32,850.40-10,047.94

Finding the Fourth Proportional to 21,909.02, 32,850.40 and 10,047.94

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Solution

The fourth proportional to 21,909.02, 32,850.40 and 10,047.94 is: 15,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909.02 : 32,850.40 = 10,047.94 : x
  2. Step 2: Convert to fraction form
    21,909.02/32,850.40 = 10,047.94/x
  3. Step 3: Cross multiply
    21,909.02x = 32,850.40 × 10,047.94
  4. Step 4: Simplify right side
    21,909.02x = 330,078,740.93
  5. Step 5: Solve for x
    x = 330,078,740.93/21,909.02
  6. Step 6: Final answer
    x = 15,065.88

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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.