Home / 27,618.75-41,429.93-7,898.91

Finding the Fourth Proportional to 27,618.75, 41,429.93 and 7,898.91

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Solution

The fourth proportional to 27,618.75, 41,429.93 and 7,898.91 is: 11,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.75 : 41,429.93 = 7,898.91 : x
  2. Step 2: Convert to fraction form
    27,618.75/41,429.93 = 7,898.91/x
  3. Step 3: Cross multiply
    27,618.75x = 41,429.93 × 7,898.91
  4. Step 4: Simplify right side
    27,618.75x = 327,251,248.88
  5. Step 5: Solve for x
    x = 327,251,248.88/27,618.75
  6. Step 6: Final answer
    x = 11,848.88

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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.