Home / 57,287.80-85,938.10-17,844.60

Finding the Fourth Proportional to 57,287.80, 85,938.10 and 17,844.60

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Solution

The fourth proportional to 57,287.80, 85,938.10 and 17,844.60 is: 26,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,287.80 : 85,938.10 = 17,844.60 : x
  2. Step 2: Convert to fraction form
    57,287.80/85,938.10 = 17,844.60/x
  3. Step 3: Cross multiply
    57,287.80x = 85,938.10 × 17,844.60
  4. Step 4: Simplify right side
    57,287.80x = 1,533,531,019.26
  5. Step 5: Solve for x
    x = 1,533,531,019.26/57,287.80
  6. Step 6: Final answer
    x = 26,768.89

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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.