Home / 27,639.72-41,436.18-12,045.48

Finding the Fourth Proportional to 27,639.72, 41,436.18 and 12,045.48

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Solution

The fourth proportional to 27,639.72, 41,436.18 and 12,045.48 is: 18,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.72 : 41,436.18 = 12,045.48 : x
  2. Step 2: Convert to fraction form
    27,639.72/41,436.18 = 12,045.48/x
  3. Step 3: Cross multiply
    27,639.72x = 41,436.18 × 12,045.48
  4. Step 4: Simplify right side
    27,639.72x = 499,118,677.47
  5. Step 5: Solve for x
    x = 499,118,677.47/27,639.72
  6. Step 6: Final answer
    x = 18,058.02

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1.5x scale

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.