Home / 21,740.56-32,625.45-7,700.54

Finding the Fourth Proportional to 21,740.56, 32,625.45 and 7,700.54

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Solution

The fourth proportional to 21,740.56, 32,625.45 and 7,700.54 is: 11,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.56 : 32,625.45 = 7,700.54 : x
  2. Step 2: Convert to fraction form
    21,740.56/32,625.45 = 7,700.54/x
  3. Step 3: Cross multiply
    21,740.56x = 32,625.45 × 7,700.54
  4. Step 4: Simplify right side
    21,740.56x = 251,233,419.62
  5. Step 5: Solve for x
    x = 251,233,419.62/21,740.56
  6. Step 6: Final answer
    x = 11,555.98

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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.