Home / 22,811.38-34,218.40-21,570.24

Finding the Fourth Proportional to 22,811.38, 34,218.40 and 21,570.24

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Solution

The fourth proportional to 22,811.38, 34,218.40 and 21,570.24 is: 32,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.38 : 34,218.40 = 21,570.24 : x
  2. Step 2: Convert to fraction form
    22,811.38/34,218.40 = 21,570.24/x
  3. Step 3: Cross multiply
    22,811.38x = 34,218.40 × 21,570.24
  4. Step 4: Simplify right side
    22,811.38x = 738,099,100.42
  5. Step 5: Solve for x
    x = 738,099,100.42/22,811.38
  6. Step 6: Final answer
    x = 32,356.62

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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.