Home / 27,549.45-41,337.09-19,128.87

Finding the Fourth Proportional to 27,549.45, 41,337.09 and 19,128.87

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Solution

The fourth proportional to 27,549.45, 41,337.09 and 19,128.87 is: 28,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549.45 : 41,337.09 = 19,128.87 : x
  2. Step 2: Convert to fraction form
    27,549.45/41,337.09 = 19,128.87/x
  3. Step 3: Cross multiply
    27,549.45x = 41,337.09 × 19,128.87
  4. Step 4: Simplify right side
    27,549.45x = 790,731,820.79
  5. Step 5: Solve for x
    x = 790,731,820.79/27,549.45
  6. Step 6: Final answer
    x = 28,702.27

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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.