Home / 25,707.18-38,564.64-7,936.38

Finding the Fourth Proportional to 25,707.18, 38,564.64 and 7,936.38

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Solution

The fourth proportional to 25,707.18, 38,564.64 and 7,936.38 is: 11,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.18 : 38,564.64 = 7,936.38 : x
  2. Step 2: Convert to fraction form
    25,707.18/38,564.64 = 7,936.38/x
  3. Step 3: Cross multiply
    25,707.18x = 38,564.64 × 7,936.38
  4. Step 4: Simplify right side
    25,707.18x = 306,063,637.60
  5. Step 5: Solve for x
    x = 306,063,637.60/25,707.18
  6. Step 6: Final answer
    x = 11,905.76

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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.