Home / 27,343.23-40,982.85-12,553.58

Finding the Fourth Proportional to 27,343.23, 40,982.85 and 12,553.58

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Solution

The fourth proportional to 27,343.23, 40,982.85 and 12,553.58 is: 18,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.23 : 40,982.85 = 12,553.58 : x
  2. Step 2: Convert to fraction form
    27,343.23/40,982.85 = 12,553.58/x
  3. Step 3: Cross multiply
    27,343.23x = 40,982.85 × 12,553.58
  4. Step 4: Simplify right side
    27,343.23x = 514,481,281.19
  5. Step 5: Solve for x
    x = 514,481,281.19/27,343.23
  6. Step 6: Final answer
    x = 18,815.67

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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.