Home / 21,544.74-32,270.38-10,428.12

Finding the Fourth Proportional to 21,544.74, 32,270.38 and 10,428.12

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Solution

The fourth proportional to 21,544.74, 32,270.38 and 10,428.12 is: 15,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.74 : 32,270.38 = 10,428.12 : x
  2. Step 2: Convert to fraction form
    21,544.74/32,270.38 = 10,428.12/x
  3. Step 3: Cross multiply
    21,544.74x = 32,270.38 × 10,428.12
  4. Step 4: Simplify right side
    21,544.74x = 336,519,314.92
  5. Step 5: Solve for x
    x = 336,519,314.92/21,544.74
  6. Step 6: Final answer
    x = 15,619.56

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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.