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Finding the Fourth Proportional to 25,869.23, 38,803.83 and 6,893.87

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Solution

The fourth proportional to 25,869.23, 38,803.83 and 6,893.87 is: 10,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.23 : 38,803.83 = 6,893.87 : x
  2. Step 2: Convert to fraction form
    25,869.23/38,803.83 = 6,893.87/x
  3. Step 3: Cross multiply
    25,869.23x = 38,803.83 × 6,893.87
  4. Step 4: Simplify right side
    25,869.23x = 267,508,656.53
  5. Step 5: Solve for x
    x = 267,508,656.53/25,869.23
  6. Step 6: Final answer
    x = 10,340.80

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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.