Home / 20,376.12-30,593.38-15,127.32

Finding the Fourth Proportional to 20,376.12, 30,593.38 and 15,127.32

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Solution

The fourth proportional to 20,376.12, 30,593.38 and 15,127.32 is: 22,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.12 : 30,593.38 = 15,127.32 : x
  2. Step 2: Convert to fraction form
    20,376.12/30,593.38 = 15,127.32/x
  3. Step 3: Cross multiply
    20,376.12x = 30,593.38 × 15,127.32
  4. Step 4: Simplify right side
    20,376.12x = 462,795,849.14
  5. Step 5: Solve for x
    x = 462,795,849.14/20,376.12
  6. Step 6: Final answer
    x = 22,712.66

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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.