Home / 25,487.55-35,171.66-14,157.78

Finding the Fourth Proportional to 25,487.55, 35,171.66 and 14,157.78

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Solution

The fourth proportional to 25,487.55, 35,171.66 and 14,157.78 is: 19,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.55 : 35,171.66 = 14,157.78 : x
  2. Step 2: Convert to fraction form
    25,487.55/35,171.66 = 14,157.78/x
  3. Step 3: Cross multiply
    25,487.55x = 35,171.66 × 14,157.78
  4. Step 4: Simplify right side
    25,487.55x = 497,952,553.73
  5. Step 5: Solve for x
    x = 497,952,553.73/25,487.55
  6. Step 6: Final answer
    x = 19,537.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.