Home / 19,953.74-27,538.58-15,180.62

Finding the Fourth Proportional to 19,953.74, 27,538.58 and 15,180.62

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Solution

The fourth proportional to 19,953.74, 27,538.58 and 15,180.62 is: 20,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.74 : 27,538.58 = 15,180.62 : x
  2. Step 2: Convert to fraction form
    19,953.74/27,538.58 = 15,180.62/x
  3. Step 3: Cross multiply
    19,953.74x = 27,538.58 × 15,180.62
  4. Step 4: Simplify right side
    19,953.74x = 418,052,618.58
  5. Step 5: Solve for x
    x = 418,052,618.58/19,953.74
  6. Step 6: Final answer
    x = 20,951.09

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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.