Home / 22,915.09-34,216.70-20,224.27

Finding the Fourth Proportional to 22,915.09, 34,216.70 and 20,224.27

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Solution

The fourth proportional to 22,915.09, 34,216.70 and 20,224.27 is: 30,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.09 : 34,216.70 = 20,224.27 : x
  2. Step 2: Convert to fraction form
    22,915.09/34,216.70 = 20,224.27/x
  3. Step 3: Cross multiply
    22,915.09x = 34,216.70 × 20,224.27
  4. Step 4: Simplify right side
    22,915.09x = 692,007,779.31
  5. Step 5: Solve for x
    x = 692,007,779.31/22,915.09
  6. Step 6: Final answer
    x = 30,198.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.