Home / 26,014.20-38,945.70-19,469.40

Finding the Fourth Proportional to 26,014.20, 38,945.70 and 19,469.40

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Solution

The fourth proportional to 26,014.20, 38,945.70 and 19,469.40 is: 29,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,014.20 : 38,945.70 = 19,469.40 : x
  2. Step 2: Convert to fraction form
    26,014.20/38,945.70 = 19,469.40/x
  3. Step 3: Cross multiply
    26,014.20x = 38,945.70 × 19,469.40
  4. Step 4: Simplify right side
    26,014.20x = 758,249,411.58
  5. Step 5: Solve for x
    x = 758,249,411.58/26,014.20
  6. Step 6: Final answer
    x = 29,147.52

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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.