Home / 28,439.56-39,253.62-17,270.92

Finding the Fourth Proportional to 28,439.56, 39,253.62 and 17,270.92

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Solution

The fourth proportional to 28,439.56, 39,253.62 and 17,270.92 is: 23,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,439.56 : 39,253.62 = 17,270.92 : x
  2. Step 2: Convert to fraction form
    28,439.56/39,253.62 = 17,270.92/x
  3. Step 3: Cross multiply
    28,439.56x = 39,253.62 × 17,270.92
  4. Step 4: Simplify right side
    28,439.56x = 677,946,130.73
  5. Step 5: Solve for x
    x = 677,946,130.73/28,439.56
  6. Step 6: Final answer
    x = 23,838.14

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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.