Home / 20,741.22-28,600.32-14,015.22

Finding the Fourth Proportional to 20,741.22, 28,600.32 and 14,015.22

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Solution

The fourth proportional to 20,741.22, 28,600.32 and 14,015.22 is: 19,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.22 : 28,600.32 = 14,015.22 : x
  2. Step 2: Convert to fraction form
    20,741.22/28,600.32 = 14,015.22/x
  3. Step 3: Cross multiply
    20,741.22x = 28,600.32 × 14,015.22
  4. Step 4: Simplify right side
    20,741.22x = 400,839,776.87
  5. Step 5: Solve for x
    x = 400,839,776.87/20,741.22
  6. Step 6: Final answer
    x = 19,325.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.