Home / 22,904.40-34,378.20-19,621.20

Finding the Fourth Proportional to 22,904.40, 34,378.20 and 19,621.20

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Solution

The fourth proportional to 22,904.40, 34,378.20 and 19,621.20 is: 29,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.40 : 34,378.20 = 19,621.20 : x
  2. Step 2: Convert to fraction form
    22,904.40/34,378.20 = 19,621.20/x
  3. Step 3: Cross multiply
    22,904.40x = 34,378.20 × 19,621.20
  4. Step 4: Simplify right side
    22,904.40x = 674,541,537.84
  5. Step 5: Solve for x
    x = 674,541,537.84/22,904.40
  6. Step 6: Final answer
    x = 29,450.30

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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.