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Finding the Fourth Proportional to 17,235.92, 25,892.76 and 10,315.28

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Solution

The fourth proportional to 17,235.92, 25,892.76 and 10,315.28 is: 15,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.92 : 25,892.76 = 10,315.28 : x
  2. Step 2: Convert to fraction form
    17,235.92/25,892.76 = 10,315.28/x
  3. Step 3: Cross multiply
    17,235.92x = 25,892.76 × 10,315.28
  4. Step 4: Simplify right side
    17,235.92x = 267,091,069.37
  5. Step 5: Solve for x
    x = 267,091,069.37/17,235.92
  6. Step 6: Final answer
    x = 15,496.19

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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.