Home / 27,358.74-37,754.53-15,421.85

Finding the Fourth Proportional to 27,358.74, 37,754.53 and 15,421.85

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Solution

The fourth proportional to 27,358.74, 37,754.53 and 15,421.85 is: 21,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.74 : 37,754.53 = 15,421.85 : x
  2. Step 2: Convert to fraction form
    27,358.74/37,754.53 = 15,421.85/x
  3. Step 3: Cross multiply
    27,358.74x = 37,754.53 × 15,421.85
  4. Step 4: Simplify right side
    27,358.74x = 582,244,698.48
  5. Step 5: Solve for x
    x = 582,244,698.48/27,358.74
  6. Step 6: Final answer
    x = 21,281.85

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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.