Home / 25,440.08-38,157.92-6,972.08

Finding the Fourth Proportional to 25,440.08, 38,157.92 and 6,972.08

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Solution

The fourth proportional to 25,440.08, 38,157.92 and 6,972.08 is: 10,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.08 : 38,157.92 = 6,972.08 : x
  2. Step 2: Convert to fraction form
    25,440.08/38,157.92 = 6,972.08/x
  3. Step 3: Cross multiply
    25,440.08x = 38,157.92 × 6,972.08
  4. Step 4: Simplify right side
    25,440.08x = 266,040,070.87
  5. Step 5: Solve for x
    x = 266,040,070.87/25,440.08
  6. Step 6: Final answer
    x = 10,457.52

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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.