Home / 38,560.48-57,835.60-10,860.64

Finding the Fourth Proportional to 38,560.48, 57,835.60 and 10,860.64

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Solution

The fourth proportional to 38,560.48, 57,835.60 and 10,860.64 is: 16,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.48 : 57,835.60 = 10,860.64 : x
  2. Step 2: Convert to fraction form
    38,560.48/57,835.60 = 10,860.64/x
  3. Step 3: Cross multiply
    38,560.48x = 57,835.60 × 10,860.64
  4. Step 4: Simplify right side
    38,560.48x = 628,131,630.78
  5. Step 5: Solve for x
    x = 628,131,630.78/38,560.48
  6. Step 6: Final answer
    x = 16,289.52

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1.5x scale

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.