Home / 25,215.12-37,826.79-7,447.58

Finding the Fourth Proportional to 25,215.12, 37,826.79 and 7,447.58

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Solution

The fourth proportional to 25,215.12, 37,826.79 and 7,447.58 is: 11,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.12 : 37,826.79 = 7,447.58 : x
  2. Step 2: Convert to fraction form
    25,215.12/37,826.79 = 7,447.58/x
  3. Step 3: Cross multiply
    25,215.12x = 37,826.79 × 7,447.58
  4. Step 4: Simplify right side
    25,215.12x = 281,717,818.30
  5. Step 5: Solve for x
    x = 281,717,818.30/25,215.12
  6. Step 6: Final answer
    x = 11,172.57

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Similar ratio
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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.