Home / 19,630.20-29,426.10-17,556.60

Finding the Fourth Proportional to 19,630.20, 29,426.10 and 17,556.60

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Solution

The fourth proportional to 19,630.20, 29,426.10 and 17,556.60 is: 26,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.20 : 29,426.10 = 17,556.60 : x
  2. Step 2: Convert to fraction form
    19,630.20/29,426.10 = 17,556.60/x
  3. Step 3: Cross multiply
    19,630.20x = 29,426.10 × 17,556.60
  4. Step 4: Simplify right side
    19,630.20x = 516,622,267.26
  5. Step 5: Solve for x
    x = 516,622,267.26/19,630.20
  6. Step 6: Final answer
    x = 26,317.73

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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.