Home / 19,635.60-29,410.20-17,446.80

Finding the Fourth Proportional to 19,635.60, 29,410.20 and 17,446.80

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Solution

The fourth proportional to 19,635.60, 29,410.20 and 17,446.80 is: 26,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.60 : 29,410.20 = 17,446.80 : x
  2. Step 2: Convert to fraction form
    19,635.60/29,410.20 = 17,446.80/x
  3. Step 3: Cross multiply
    19,635.60x = 29,410.20 × 17,446.80
  4. Step 4: Simplify right side
    19,635.60x = 513,113,877.36
  5. Step 5: Solve for x
    x = 513,113,877.36/19,635.60
  6. Step 6: Final answer
    x = 26,131.82

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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.