Home / 27,810.18-41,720.70-12,227.76

Finding the Fourth Proportional to 27,810.18, 41,720.70 and 12,227.76

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Solution

The fourth proportional to 27,810.18, 41,720.70 and 12,227.76 is: 18,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.18 : 41,720.70 = 12,227.76 : x
  2. Step 2: Convert to fraction form
    27,810.18/41,720.70 = 12,227.76/x
  3. Step 3: Cross multiply
    27,810.18x = 41,720.70 × 12,227.76
  4. Step 4: Simplify right side
    27,810.18x = 510,150,706.63
  5. Step 5: Solve for x
    x = 510,150,706.63/27,810.18
  6. Step 6: Final answer
    x = 18,344.03

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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.