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Finding the Fourth Proportional to 29,223.20, 43,834.80 and 19,200.80

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Solution

The fourth proportional to 29,223.20, 43,834.80 and 19,200.80 is: 28,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,223.20 : 43,834.80 = 19,200.80 : x
  2. Step 2: Convert to fraction form
    29,223.20/43,834.80 = 19,200.80/x
  3. Step 3: Cross multiply
    29,223.20x = 43,834.80 × 19,200.80
  4. Step 4: Simplify right side
    29,223.20x = 841,663,227.84
  5. Step 5: Solve for x
    x = 841,663,227.84/29,223.20
  6. Step 6: Final answer
    x = 28,801.20

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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.