Home / 21,943.40-32,936.70-10,862.60

Finding the Fourth Proportional to 21,943.40, 32,936.70 and 10,862.60

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Solution

The fourth proportional to 21,943.40, 32,936.70 and 10,862.60 is: 16,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.40 : 32,936.70 = 10,862.60 : x
  2. Step 2: Convert to fraction form
    21,943.40/32,936.70 = 10,862.60/x
  3. Step 3: Cross multiply
    21,943.40x = 32,936.70 × 10,862.60
  4. Step 4: Simplify right side
    21,943.40x = 357,778,197.42
  5. Step 5: Solve for x
    x = 357,778,197.42/21,943.40
  6. Step 6: Final answer
    x = 16,304.59

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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.