Home / 25,935.16-38,903.52-10,139.56

Finding the Fourth Proportional to 25,935.16, 38,903.52 and 10,139.56

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Solution

The fourth proportional to 25,935.16, 38,903.52 and 10,139.56 is: 15,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.16 : 38,903.52 = 10,139.56 : x
  2. Step 2: Convert to fraction form
    25,935.16/38,903.52 = 10,139.56/x
  3. Step 3: Cross multiply
    25,935.16x = 38,903.52 × 10,139.56
  4. Step 4: Simplify right side
    25,935.16x = 394,464,575.25
  5. Step 5: Solve for x
    x = 394,464,575.25/25,935.16
  6. Step 6: Final answer
    x = 15,209.64

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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.