Home / 27,239.69-37,586.78-15,300.65

Finding the Fourth Proportional to 27,239.69, 37,586.78 and 15,300.65

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Solution

The fourth proportional to 27,239.69, 37,586.78 and 15,300.65 is: 21,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.69 : 37,586.78 = 15,300.65 : x
  2. Step 2: Convert to fraction form
    27,239.69/37,586.78 = 15,300.65/x
  3. Step 3: Cross multiply
    27,239.69x = 37,586.78 × 15,300.65
  4. Step 4: Simplify right side
    27,239.69x = 575,102,114.89
  5. Step 5: Solve for x
    x = 575,102,114.89/27,239.69
  6. Step 6: Final answer
    x = 21,112.65

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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.