Home / 27,239.58-37,588.93-15,139.33

Finding the Fourth Proportional to 27,239.58, 37,588.93 and 15,139.33

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Solution

The fourth proportional to 27,239.58, 37,588.93 and 15,139.33 is: 20,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.58 : 37,588.93 = 15,139.33 : x
  2. Step 2: Convert to fraction form
    27,239.58/37,588.93 = 15,139.33/x
  3. Step 3: Cross multiply
    27,239.58x = 37,588.93 × 15,139.33
  4. Step 4: Simplify right side
    27,239.58x = 569,071,083.80
  5. Step 5: Solve for x
    x = 569,071,083.80/27,239.58
  6. Step 6: Final answer
    x = 20,891.33

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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.