Home / 25,688.14-38,531.86-6,969.92

Finding the Fourth Proportional to 25,688.14, 38,531.86 and 6,969.92

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Solution

The fourth proportional to 25,688.14, 38,531.86 and 6,969.92 is: 10,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.14 : 38,531.86 = 6,969.92 : x
  2. Step 2: Convert to fraction form
    25,688.14/38,531.86 = 6,969.92/x
  3. Step 3: Cross multiply
    25,688.14x = 38,531.86 × 6,969.92
  4. Step 4: Simplify right side
    25,688.14x = 268,564,145.69
  5. Step 5: Solve for x
    x = 268,564,145.69/25,688.14
  6. Step 6: Final answer
    x = 10,454.79

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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.