Home / 28,452.60-42,646.49-17,783.87

Finding the Fourth Proportional to 28,452.60, 42,646.49 and 17,783.87

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Solution

The fourth proportional to 28,452.60, 42,646.49 and 17,783.87 is: 26,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.60 : 42,646.49 = 17,783.87 : x
  2. Step 2: Convert to fraction form
    28,452.60/42,646.49 = 17,783.87/x
  3. Step 3: Cross multiply
    28,452.60x = 42,646.49 × 17,783.87
  4. Step 4: Simplify right side
    28,452.60x = 758,419,331.96
  5. Step 5: Solve for x
    x = 758,419,331.96/28,452.60
  6. Step 6: Final answer
    x = 26,655.54

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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.