Home / 26,859.20-40,288.80-15,195.20

Finding the Fourth Proportional to 26,859.20, 40,288.80 and 15,195.20

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Solution

The fourth proportional to 26,859.20, 40,288.80 and 15,195.20 is: 22,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.20 : 40,288.80 = 15,195.20 : x
  2. Step 2: Convert to fraction form
    26,859.20/40,288.80 = 15,195.20/x
  3. Step 3: Cross multiply
    26,859.20x = 40,288.80 × 15,195.20
  4. Step 4: Simplify right side
    26,859.20x = 612,196,373.76
  5. Step 5: Solve for x
    x = 612,196,373.76/26,859.20
  6. Step 6: Final answer
    x = 22,792.80

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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.