Home / 27,358.62-37,754.35-15,421.71

Finding the Fourth Proportional to 27,358.62, 37,754.35 and 15,421.71

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Solution

The fourth proportional to 27,358.62, 37,754.35 and 15,421.71 is: 21,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.62 : 37,754.35 = 15,421.71 : x
  2. Step 2: Convert to fraction form
    27,358.62/37,754.35 = 15,421.71/x
  3. Step 3: Cross multiply
    27,358.62x = 37,754.35 × 15,421.71
  4. Step 4: Simplify right side
    27,358.62x = 582,236,636.94
  5. Step 5: Solve for x
    x = 582,236,636.94/27,358.62
  6. Step 6: Final answer
    x = 21,281.65

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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.