Home / 26,003.78-38,929.12-16,111.26

Finding the Fourth Proportional to 26,003.78, 38,929.12 and 16,111.26

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Solution

The fourth proportional to 26,003.78, 38,929.12 and 16,111.26 is: 24,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.78 : 38,929.12 = 16,111.26 : x
  2. Step 2: Convert to fraction form
    26,003.78/38,929.12 = 16,111.26/x
  3. Step 3: Cross multiply
    26,003.78x = 38,929.12 × 16,111.26
  4. Step 4: Simplify right side
    26,003.78x = 627,197,173.89
  5. Step 5: Solve for x
    x = 627,197,173.89/26,003.78
  6. Step 6: Final answer
    x = 24,119.46

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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.