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Finding the Fourth Proportional to 25,795.92, 38,693.94 and 7,076.16

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Solution

The fourth proportional to 25,795.92, 38,693.94 and 7,076.16 is: 10,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.92 : 38,693.94 = 7,076.16 : x
  2. Step 2: Convert to fraction form
    25,795.92/38,693.94 = 7,076.16/x
  3. Step 3: Cross multiply
    25,795.92x = 38,693.94 × 7,076.16
  4. Step 4: Simplify right side
    25,795.92x = 273,804,510.47
  5. Step 5: Solve for x
    x = 273,804,510.47/25,795.92
  6. Step 6: Final answer
    x = 10,614.26

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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.