Home / 27,722.57-38,257.14-15,147.32

Finding the Fourth Proportional to 27,722.57, 38,257.14 and 15,147.32

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Solution

The fourth proportional to 27,722.57, 38,257.14 and 15,147.32 is: 20,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.57 : 38,257.14 = 15,147.32 : x
  2. Step 2: Convert to fraction form
    27,722.57/38,257.14 = 15,147.32/x
  3. Step 3: Cross multiply
    27,722.57x = 38,257.14 × 15,147.32
  4. Step 4: Simplify right side
    27,722.57x = 579,492,950.58
  5. Step 5: Solve for x
    x = 579,492,950.58/27,722.57
  6. Step 6: Final answer
    x = 20,903.29

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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.