Home / 27,919.08-38,528.48-15,172.37

Finding the Fourth Proportional to 27,919.08, 38,528.48 and 15,172.37

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Solution

The fourth proportional to 27,919.08, 38,528.48 and 15,172.37 is: 20,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.08 : 38,528.48 = 15,172.37 : x
  2. Step 2: Convert to fraction form
    27,919.08/38,528.48 = 15,172.37/x
  3. Step 3: Cross multiply
    27,919.08x = 38,528.48 × 15,172.37
  4. Step 4: Simplify right side
    27,919.08x = 584,568,354.10
  5. Step 5: Solve for x
    x = 584,568,354.10/27,919.08
  6. Step 6: Final answer
    x = 20,937.95

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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.