Home / 27,213.49-37,559.60-15,889.69

Finding the Fourth Proportional to 27,213.49, 37,559.60 and 15,889.69

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Solution

The fourth proportional to 27,213.49, 37,559.60 and 15,889.69 is: 21,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.49 : 37,559.60 = 15,889.69 : x
  2. Step 2: Convert to fraction form
    27,213.49/37,559.60 = 15,889.69/x
  3. Step 3: Cross multiply
    27,213.49x = 37,559.60 × 15,889.69
  4. Step 4: Simplify right side
    27,213.49x = 596,810,400.52
  5. Step 5: Solve for x
    x = 596,810,400.52/27,213.49
  6. Step 6: Final answer
    x = 21,930.68

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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.