Home / 25,688.91-38,534.16-6,968.87

Finding the Fourth Proportional to 25,688.91, 38,534.16 and 6,968.87

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Solution

The fourth proportional to 25,688.91, 38,534.16 and 6,968.87 is: 10,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.91 : 38,534.16 = 6,968.87 : x
  2. Step 2: Convert to fraction form
    25,688.91/38,534.16 = 6,968.87/x
  3. Step 3: Cross multiply
    25,688.91x = 38,534.16 × 6,968.87
  4. Step 4: Simplify right side
    25,688.91x = 268,539,551.60
  5. Step 5: Solve for x
    x = 268,539,551.60/25,688.91
  6. Step 6: Final answer
    x = 10,453.52

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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.