Home / 27,239.80-37,588.62-15,302.20

Finding the Fourth Proportional to 27,239.80, 37,588.62 and 15,302.20

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Solution

The fourth proportional to 27,239.80, 37,588.62 and 15,302.20 is: 21,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.80 : 37,588.62 = 15,302.20 : x
  2. Step 2: Convert to fraction form
    27,239.80/37,588.62 = 15,302.20/x
  3. Step 3: Cross multiply
    27,239.80x = 37,588.62 × 15,302.20
  4. Step 4: Simplify right side
    27,239.80x = 575,188,580.96
  5. Step 5: Solve for x
    x = 575,188,580.96/27,239.80
  6. Step 6: Final answer
    x = 21,115.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.