Home / 17,429.87-26,142.05-14,487.21

Finding the Fourth Proportional to 17,429.87, 26,142.05 and 14,487.21

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Solution

The fourth proportional to 17,429.87, 26,142.05 and 14,487.21 is: 21,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.87 : 26,142.05 = 14,487.21 : x
  2. Step 2: Convert to fraction form
    17,429.87/26,142.05 = 14,487.21/x
  3. Step 3: Cross multiply
    17,429.87x = 26,142.05 × 14,487.21
  4. Step 4: Simplify right side
    17,429.87x = 378,725,295.74
  5. Step 5: Solve for x
    x = 378,725,295.74/17,429.87
  6. Step 6: Final answer
    x = 21,728.53

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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.