Home / 27,992.53-38,628.89-15,245.42

Finding the Fourth Proportional to 27,992.53, 38,628.89 and 15,245.42

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Solution

The fourth proportional to 27,992.53, 38,628.89 and 15,245.42 is: 21,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.53 : 38,628.89 = 15,245.42 : x
  2. Step 2: Convert to fraction form
    27,992.53/38,628.89 = 15,245.42/x
  3. Step 3: Cross multiply
    27,992.53x = 38,628.89 × 15,245.42
  4. Step 4: Simplify right side
    27,992.53x = 588,913,652.18
  5. Step 5: Solve for x
    x = 588,913,652.18/27,992.53
  6. Step 6: Final answer
    x = 21,038.24

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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.