Home / 27,919.50-38,528.91-15,344.25

Finding the Fourth Proportional to 27,919.50, 38,528.91 and 15,344.25

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Solution

The fourth proportional to 27,919.50, 38,528.91 and 15,344.25 is: 21,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.50 : 38,528.91 = 15,344.25 : x
  2. Step 2: Convert to fraction form
    27,919.50/38,528.91 = 15,344.25/x
  3. Step 3: Cross multiply
    27,919.50x = 38,528.91 × 15,344.25
  4. Step 4: Simplify right side
    27,919.50x = 591,197,227.27
  5. Step 5: Solve for x
    x = 591,197,227.27/27,919.50
  6. Step 6: Final answer
    x = 21,175.07

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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.