Home / 26,113.20-39,169.80-19,460.40

Finding the Fourth Proportional to 26,113.20, 39,169.80 and 19,460.40

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Solution

The fourth proportional to 26,113.20, 39,169.80 and 19,460.40 is: 29,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.20 : 39,169.80 = 19,460.40 : x
  2. Step 2: Convert to fraction form
    26,113.20/39,169.80 = 19,460.40/x
  3. Step 3: Cross multiply
    26,113.20x = 39,169.80 × 19,460.40
  4. Step 4: Simplify right side
    26,113.20x = 762,259,975.92
  5. Step 5: Solve for x
    x = 762,259,975.92/26,113.20
  6. Step 6: Final answer
    x = 29,190.60

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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.