Home / 15,428.07-23,141.88-3,741.21

Finding the Fourth Proportional to 15,428.07, 23,141.88 and 3,741.21

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Solution

The fourth proportional to 15,428.07, 23,141.88 and 3,741.21 is: 5,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.07 : 23,141.88 = 3,741.21 : x
  2. Step 2: Convert to fraction form
    15,428.07/23,141.88 = 3,741.21/x
  3. Step 3: Cross multiply
    15,428.07x = 23,141.88 × 3,741.21
  4. Step 4: Simplify right side
    15,428.07x = 86,578,632.87
  5. Step 5: Solve for x
    x = 86,578,632.87/15,428.07
  6. Step 6: Final answer
    x = 5,611.76

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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.