Home / 27,723.04-38,257.32-15,147.52

Finding the Fourth Proportional to 27,723.04, 38,257.32 and 15,147.52

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Solution

The fourth proportional to 27,723.04, 38,257.32 and 15,147.52 is: 20,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.04 : 38,257.32 = 15,147.52 : x
  2. Step 2: Convert to fraction form
    27,723.04/38,257.32 = 15,147.52/x
  3. Step 3: Cross multiply
    27,723.04x = 38,257.32 × 15,147.52
  4. Step 4: Simplify right side
    27,723.04x = 579,503,519.85
  5. Step 5: Solve for x
    x = 579,503,519.85/27,723.04
  6. Step 6: Final answer
    x = 20,903.32

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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.