Home / 22,936.28-31,647.30-14,990.20

Finding the Fourth Proportional to 22,936.28, 31,647.30 and 14,990.20

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Solution

The fourth proportional to 22,936.28, 31,647.30 and 14,990.20 is: 20,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.28 : 31,647.30 = 14,990.20 : x
  2. Step 2: Convert to fraction form
    22,936.28/31,647.30 = 14,990.20/x
  3. Step 3: Cross multiply
    22,936.28x = 31,647.30 × 14,990.20
  4. Step 4: Simplify right side
    22,936.28x = 474,399,356.46
  5. Step 5: Solve for x
    x = 474,399,356.46/22,936.28
  6. Step 6: Final answer
    x = 20,683.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.