Home / 26,126.80-39,190.20-15,733.20

Finding the Fourth Proportional to 26,126.80, 39,190.20 and 15,733.20

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Solution

The fourth proportional to 26,126.80, 39,190.20 and 15,733.20 is: 23,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.80 : 39,190.20 = 15,733.20 : x
  2. Step 2: Convert to fraction form
    26,126.80/39,190.20 = 15,733.20/x
  3. Step 3: Cross multiply
    26,126.80x = 39,190.20 × 15,733.20
  4. Step 4: Simplify right side
    26,126.80x = 616,587,254.64
  5. Step 5: Solve for x
    x = 616,587,254.64/26,126.80
  6. Step 6: Final answer
    x = 23,599.80

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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.