Home / 28,691.55-43,052.07-11,837.01

Finding the Fourth Proportional to 28,691.55, 43,052.07 and 11,837.01

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Solution

The fourth proportional to 28,691.55, 43,052.07 and 11,837.01 is: 17,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.55 : 43,052.07 = 11,837.01 : x
  2. Step 2: Convert to fraction form
    28,691.55/43,052.07 = 11,837.01/x
  3. Step 3: Cross multiply
    28,691.55x = 43,052.07 × 11,837.01
  4. Step 4: Simplify right side
    28,691.55x = 509,607,783.11
  5. Step 5: Solve for x
    x = 509,607,783.11/28,691.55
  6. Step 6: Final answer
    x = 17,761.60

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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.