Home / 25,351.60-38,027.40-12,215.02

Finding the Fourth Proportional to 25,351.60, 38,027.40 and 12,215.02

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Solution

The fourth proportional to 25,351.60, 38,027.40 and 12,215.02 is: 18,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.60 : 38,027.40 = 12,215.02 : x
  2. Step 2: Convert to fraction form
    25,351.60/38,027.40 = 12,215.02/x
  3. Step 3: Cross multiply
    25,351.60x = 38,027.40 × 12,215.02
  4. Step 4: Simplify right side
    25,351.60x = 464,505,451.55
  5. Step 5: Solve for x
    x = 464,505,451.55/25,351.60
  6. Step 6: Final answer
    x = 18,322.53

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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.