Home / 27,458.70-37,892.60-15,521.62

Finding the Fourth Proportional to 27,458.70, 37,892.60 and 15,521.62

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Solution

The fourth proportional to 27,458.70, 37,892.60 and 15,521.62 is: 21,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.70 : 37,892.60 = 15,521.62 : x
  2. Step 2: Convert to fraction form
    27,458.70/37,892.60 = 15,521.62/x
  3. Step 3: Cross multiply
    27,458.70x = 37,892.60 × 15,521.62
  4. Step 4: Simplify right side
    27,458.70x = 588,154,538.01
  5. Step 5: Solve for x
    x = 588,154,538.01/27,458.70
  6. Step 6: Final answer
    x = 21,419.61

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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.