Home / 27,271-40,916.10-13,429.72

Finding the Fourth Proportional to 27,271, 40,916.10 and 13,429.72

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Solution

The fourth proportional to 27,271, 40,916.10 and 13,429.72 is: 20,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271 : 40,916.10 = 13,429.72 : x
  2. Step 2: Convert to fraction form
    27,271/40,916.10 = 13,429.72/x
  3. Step 3: Cross multiply
    27,271x = 40,916.10 × 13,429.72
  4. Step 4: Simplify right side
    27,271x = 549,491,766.49
  5. Step 5: Solve for x
    x = 549,491,766.49/27,271
  6. Step 6: Final answer
    x = 20,149.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.