Home / 23,908.60-35,819.70-21,143.80

Finding the Fourth Proportional to 23,908.60, 35,819.70 and 21,143.80

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Solution

The fourth proportional to 23,908.60, 35,819.70 and 21,143.80 is: 31,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,908.60 : 35,819.70 = 21,143.80 : x
  2. Step 2: Convert to fraction form
    23,908.60/35,819.70 = 21,143.80/x
  3. Step 3: Cross multiply
    23,908.60x = 35,819.70 × 21,143.80
  4. Step 4: Simplify right side
    23,908.60x = 757,364,572.86
  5. Step 5: Solve for x
    x = 757,364,572.86/23,908.60
  6. Step 6: Final answer
    x = 31,677.50

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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.