Home / 35,117.68-52,651.87-12,928.21

Finding the Fourth Proportional to 35,117.68, 52,651.87 and 12,928.21

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Solution

The fourth proportional to 35,117.68, 52,651.87 and 12,928.21 is: 19,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.68 : 52,651.87 = 12,928.21 : x
  2. Step 2: Convert to fraction form
    35,117.68/52,651.87 = 12,928.21/x
  3. Step 3: Cross multiply
    35,117.68x = 52,651.87 × 12,928.21
  4. Step 4: Simplify right side
    35,117.68x = 680,694,168.99
  5. Step 5: Solve for x
    x = 680,694,168.99/35,117.68
  6. Step 6: Final answer
    x = 19,383.24

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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.