Home / 27,122.36-37,430.94-15,795.38

Finding the Fourth Proportional to 27,122.36, 37,430.94 and 15,795.38

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Solution

The fourth proportional to 27,122.36, 37,430.94 and 15,795.38 is: 21,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.36 : 37,430.94 = 15,795.38 : x
  2. Step 2: Convert to fraction form
    27,122.36/37,430.94 = 15,795.38/x
  3. Step 3: Cross multiply
    27,122.36x = 37,430.94 × 15,795.38
  4. Step 4: Simplify right side
    27,122.36x = 591,235,921.06
  5. Step 5: Solve for x
    x = 591,235,921.06/27,122.36
  6. Step 6: Final answer
    x = 21,798.84

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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.