Home / 19,964.60-29,903.70-17,775.80

Finding the Fourth Proportional to 19,964.60, 29,903.70 and 17,775.80

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Solution

The fourth proportional to 19,964.60, 29,903.70 and 17,775.80 is: 26,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.60 : 29,903.70 = 17,775.80 : x
  2. Step 2: Convert to fraction form
    19,964.60/29,903.70 = 17,775.80/x
  3. Step 3: Cross multiply
    19,964.60x = 29,903.70 × 17,775.80
  4. Step 4: Simplify right side
    19,964.60x = 531,562,190.46
  5. Step 5: Solve for x
    x = 531,562,190.46/19,964.60
  6. Step 6: Final answer
    x = 26,625.24

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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.