Home / 35,531.60-53,297.40-26,661.20

Finding the Fourth Proportional to 35,531.60, 53,297.40 and 26,661.20

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Solution

The fourth proportional to 35,531.60, 53,297.40 and 26,661.20 is: 39,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.60 : 53,297.40 = 26,661.20 : x
  2. Step 2: Convert to fraction form
    35,531.60/53,297.40 = 26,661.20/x
  3. Step 3: Cross multiply
    35,531.60x = 53,297.40 × 26,661.20
  4. Step 4: Simplify right side
    35,531.60x = 1,420,972,640.88
  5. Step 5: Solve for x
    x = 1,420,972,640.88/35,531.60
  6. Step 6: Final answer
    x = 39,991.80

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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.