Home / 26,021.66-38,991.60-20,113.01

Finding the Fourth Proportional to 26,021.66, 38,991.60 and 20,113.01

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Solution

The fourth proportional to 26,021.66, 38,991.60 and 20,113.01 is: 30,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.66 : 38,991.60 = 20,113.01 : x
  2. Step 2: Convert to fraction form
    26,021.66/38,991.60 = 20,113.01/x
  3. Step 3: Cross multiply
    26,021.66x = 38,991.60 × 20,113.01
  4. Step 4: Simplify right side
    26,021.66x = 784,238,440.72
  5. Step 5: Solve for x
    x = 784,238,440.72/26,021.66
  6. Step 6: Final answer
    x = 30,137.91

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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.