Home / 27,390.52-37,795.71-15,453.15

Finding the Fourth Proportional to 27,390.52, 37,795.71 and 15,453.15

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Solution

The fourth proportional to 27,390.52, 37,795.71 and 15,453.15 is: 21,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.52 : 37,795.71 = 15,453.15 : x
  2. Step 2: Convert to fraction form
    27,390.52/37,795.71 = 15,453.15/x
  3. Step 3: Cross multiply
    27,390.52x = 37,795.71 × 15,453.15
  4. Step 4: Simplify right side
    27,390.52x = 584,062,775.99
  5. Step 5: Solve for x
    x = 584,062,775.99/27,390.52
  6. Step 6: Final answer
    x = 21,323.54

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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.