Home / 27,828.08-38,403.08-15,252.56

Finding the Fourth Proportional to 27,828.08, 38,403.08 and 15,252.56

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Solution

The fourth proportional to 27,828.08, 38,403.08 and 15,252.56 is: 21,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.08 : 38,403.08 = 15,252.56 : x
  2. Step 2: Convert to fraction form
    27,828.08/38,403.08 = 15,252.56/x
  3. Step 3: Cross multiply
    27,828.08x = 38,403.08 × 15,252.56
  4. Step 4: Simplify right side
    27,828.08x = 585,745,281.88
  5. Step 5: Solve for x
    x = 585,745,281.88/27,828.08
  6. Step 6: Final answer
    x = 21,048.71

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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.