Home / 27,908.16-38,499.75-18,484.62

Finding the Fourth Proportional to 27,908.16, 38,499.75 and 18,484.62

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Solution

The fourth proportional to 27,908.16, 38,499.75 and 18,484.62 is: 25,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.16 : 38,499.75 = 18,484.62 : x
  2. Step 2: Convert to fraction form
    27,908.16/38,499.75 = 18,484.62/x
  3. Step 3: Cross multiply
    27,908.16x = 38,499.75 × 18,484.62
  4. Step 4: Simplify right side
    27,908.16x = 711,653,248.85
  5. Step 5: Solve for x
    x = 711,653,248.85/27,908.16
  6. Step 6: Final answer
    x = 25,499.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.