Home / 27,016.59-40,492.06-19,121.40

Finding the Fourth Proportional to 27,016.59, 40,492.06 and 19,121.40

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Solution

The fourth proportional to 27,016.59, 40,492.06 and 19,121.40 is: 28,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.59 : 40,492.06 = 19,121.40 : x
  2. Step 2: Convert to fraction form
    27,016.59/40,492.06 = 19,121.40/x
  3. Step 3: Cross multiply
    27,016.59x = 40,492.06 × 19,121.40
  4. Step 4: Simplify right side
    27,016.59x = 774,264,876.08
  5. Step 5: Solve for x
    x = 774,264,876.08/27,016.59
  6. Step 6: Final answer
    x = 28,658.87

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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.