Home / 27,423.96-37,845.18-15,487.44

Finding the Fourth Proportional to 27,423.96, 37,845.18 and 15,487.44

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Solution

The fourth proportional to 27,423.96, 37,845.18 and 15,487.44 is: 21,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.96 : 37,845.18 = 15,487.44 : x
  2. Step 2: Convert to fraction form
    27,423.96/37,845.18 = 15,487.44/x
  3. Step 3: Cross multiply
    27,423.96x = 37,845.18 × 15,487.44
  4. Step 4: Simplify right side
    27,423.96x = 586,124,954.54
  5. Step 5: Solve for x
    x = 586,124,954.54/27,423.96
  6. Step 6: Final answer
    x = 21,372.73

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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.