Home / 27,976.48-38,589.36-17,215.84

Finding the Fourth Proportional to 27,976.48, 38,589.36 and 17,215.84

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Solution

The fourth proportional to 27,976.48, 38,589.36 and 17,215.84 is: 23,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.48 : 38,589.36 = 17,215.84 : x
  2. Step 2: Convert to fraction form
    27,976.48/38,589.36 = 17,215.84/x
  3. Step 3: Cross multiply
    27,976.48x = 38,589.36 × 17,215.84
  4. Step 4: Simplify right side
    27,976.48x = 664,348,247.46
  5. Step 5: Solve for x
    x = 664,348,247.46/27,976.48
  6. Step 6: Final answer
    x = 23,746.67

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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.