Home / 22,880.50-34,155.05-19,780.43

Finding the Fourth Proportional to 22,880.50, 34,155.05 and 19,780.43

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Solution

The fourth proportional to 22,880.50, 34,155.05 and 19,780.43 is: 29,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,880.50 : 34,155.05 = 19,780.43 : x
  2. Step 2: Convert to fraction form
    22,880.50/34,155.05 = 19,780.43/x
  3. Step 3: Cross multiply
    22,880.50x = 34,155.05 × 19,780.43
  4. Step 4: Simplify right side
    22,880.50x = 675,601,305.99
  5. Step 5: Solve for x
    x = 675,601,305.99/22,880.50
  6. Step 6: Final answer
    x = 29,527.39

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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.