Home / 25,279.97-37,943.22-12,808.67

Finding the Fourth Proportional to 25,279.97, 37,943.22 and 12,808.67

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Solution

The fourth proportional to 25,279.97, 37,943.22 and 12,808.67 is: 19,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.97 : 37,943.22 = 12,808.67 : x
  2. Step 2: Convert to fraction form
    25,279.97/37,943.22 = 12,808.67/x
  3. Step 3: Cross multiply
    25,279.97x = 37,943.22 × 12,808.67
  4. Step 4: Simplify right side
    25,279.97x = 486,001,994.00
  5. Step 5: Solve for x
    x = 486,001,994.00/25,279.97
  6. Step 6: Final answer
    x = 19,224.79

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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.