Home / 25,429.44-38,135.52-12,944.64

Finding the Fourth Proportional to 25,429.44, 38,135.52 and 12,944.64

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Solution

The fourth proportional to 25,429.44, 38,135.52 and 12,944.64 is: 19,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.44 : 38,135.52 = 12,944.64 : x
  2. Step 2: Convert to fraction form
    25,429.44/38,135.52 = 12,944.64/x
  3. Step 3: Cross multiply
    25,429.44x = 38,135.52 × 12,944.64
  4. Step 4: Simplify right side
    25,429.44x = 493,650,577.61
  5. Step 5: Solve for x
    x = 493,650,577.61/25,429.44
  6. Step 6: Final answer
    x = 19,412.56

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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.