Home / 25,756.72-38,632.08-7,036

Finding the Fourth Proportional to 25,756.72, 38,632.08 and 7,036

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Solution

The fourth proportional to 25,756.72, 38,632.08 and 7,036 is: 10,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.72 : 38,632.08 = 7,036 : x
  2. Step 2: Convert to fraction form
    25,756.72/38,632.08 = 7,036/x
  3. Step 3: Cross multiply
    25,756.72x = 38,632.08 × 7,036
  4. Step 4: Simplify right side
    25,756.72x = 271,815,314.88
  5. Step 5: Solve for x
    x = 271,815,314.88/25,756.72
  6. Step 6: Final answer
    x = 10,553.18

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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.