Home / 20,732.36-31,088.46-7,575.80

Finding the Fourth Proportional to 20,732.36, 31,088.46 and 7,575.80

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Solution

The fourth proportional to 20,732.36, 31,088.46 and 7,575.80 is: 11,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.36 : 31,088.46 = 7,575.80 : x
  2. Step 2: Convert to fraction form
    20,732.36/31,088.46 = 7,575.80/x
  3. Step 3: Cross multiply
    20,732.36x = 31,088.46 × 7,575.80
  4. Step 4: Simplify right side
    20,732.36x = 235,519,955.27
  5. Step 5: Solve for x
    x = 235,519,955.27/20,732.36
  6. Step 6: Final answer
    x = 11,360.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.