Home / 15,522.75-23,285.49-4,429.20

Finding the Fourth Proportional to 15,522.75, 23,285.49 and 4,429.20

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Solution

The fourth proportional to 15,522.75, 23,285.49 and 4,429.20 is: 6,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.75 : 23,285.49 = 4,429.20 : x
  2. Step 2: Convert to fraction form
    15,522.75/23,285.49 = 4,429.20/x
  3. Step 3: Cross multiply
    15,522.75x = 23,285.49 × 4,429.20
  4. Step 4: Simplify right side
    15,522.75x = 103,136,092.31
  5. Step 5: Solve for x
    x = 103,136,092.31/15,522.75
  6. Step 6: Final answer
    x = 6,644.19

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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.