Home / 25,451.84-38,180.95-7,679.72

Finding the Fourth Proportional to 25,451.84, 38,180.95 and 7,679.72

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Solution

The fourth proportional to 25,451.84, 38,180.95 and 7,679.72 is: 11,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.84 : 38,180.95 = 7,679.72 : x
  2. Step 2: Convert to fraction form
    25,451.84/38,180.95 = 7,679.72/x
  3. Step 3: Cross multiply
    25,451.84x = 38,180.95 × 7,679.72
  4. Step 4: Simplify right side
    25,451.84x = 293,219,081.59
  5. Step 5: Solve for x
    x = 293,219,081.59/25,451.84
  6. Step 6: Final answer
    x = 11,520.54

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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.