Home / 26,820.81-40,166.46-13,451.76

Finding the Fourth Proportional to 26,820.81, 40,166.46 and 13,451.76

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Solution

The fourth proportional to 26,820.81, 40,166.46 and 13,451.76 is: 20,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.81 : 40,166.46 = 13,451.76 : x
  2. Step 2: Convert to fraction form
    26,820.81/40,166.46 = 13,451.76/x
  3. Step 3: Cross multiply
    26,820.81x = 40,166.46 × 13,451.76
  4. Step 4: Simplify right side
    26,820.81x = 540,309,579.97
  5. Step 5: Solve for x
    x = 540,309,579.97/26,820.81
  6. Step 6: Final answer
    x = 20,145.16

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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.