Home / 25,961.22-38,799.59-18,956.03

Finding the Fourth Proportional to 25,961.22, 38,799.59 and 18,956.03

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Solution

The fourth proportional to 25,961.22, 38,799.59 and 18,956.03 is: 28,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.22 : 38,799.59 = 18,956.03 : x
  2. Step 2: Convert to fraction form
    25,961.22/38,799.59 = 18,956.03/x
  3. Step 3: Cross multiply
    25,961.22x = 38,799.59 × 18,956.03
  4. Step 4: Simplify right side
    25,961.22x = 735,485,903.25
  5. Step 5: Solve for x
    x = 735,485,903.25/25,961.22
  6. Step 6: Final answer
    x = 28,330.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.