Home / 27,020.72-40,531.08-8,300.72

Finding the Fourth Proportional to 27,020.72, 40,531.08 and 8,300.72

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Solution

The fourth proportional to 27,020.72, 40,531.08 and 8,300.72 is: 12,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.72 : 40,531.08 = 8,300.72 : x
  2. Step 2: Convert to fraction form
    27,020.72/40,531.08 = 8,300.72/x
  3. Step 3: Cross multiply
    27,020.72x = 40,531.08 × 8,300.72
  4. Step 4: Simplify right side
    27,020.72x = 336,437,146.38
  5. Step 5: Solve for x
    x = 336,437,146.38/27,020.72
  6. Step 6: Final answer
    x = 12,451.08

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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.