Home / 22,815.70-34,248.15-19,157.94

Finding the Fourth Proportional to 22,815.70, 34,248.15 and 19,157.94

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Solution

The fourth proportional to 22,815.70, 34,248.15 and 19,157.94 is: 28,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.70 : 34,248.15 = 19,157.94 : x
  2. Step 2: Convert to fraction form
    22,815.70/34,248.15 = 19,157.94/x
  3. Step 3: Cross multiply
    22,815.70x = 34,248.15 × 19,157.94
  4. Step 4: Simplify right side
    22,815.70x = 656,124,002.81
  5. Step 5: Solve for x
    x = 656,124,002.81/22,815.70
  6. Step 6: Final answer
    x = 28,757.57

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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.