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Finding the Fourth Proportional to 25,868.08, 38,801.04 and 7,400.08

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Solution

The fourth proportional to 25,868.08, 38,801.04 and 7,400.08 is: 11,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.08 : 38,801.04 = 7,400.08 : x
  2. Step 2: Convert to fraction form
    25,868.08/38,801.04 = 7,400.08/x
  3. Step 3: Cross multiply
    25,868.08x = 38,801.04 × 7,400.08
  4. Step 4: Simplify right side
    25,868.08x = 287,130,800.08
  5. Step 5: Solve for x
    x = 287,130,800.08/25,868.08
  6. Step 6: Final answer
    x = 11,099.81

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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.