Home / 27,270.84-37,629.42-15,938.58

Finding the Fourth Proportional to 27,270.84, 37,629.42 and 15,938.58

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Solution

The fourth proportional to 27,270.84, 37,629.42 and 15,938.58 is: 21,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.84 : 37,629.42 = 15,938.58 : x
  2. Step 2: Convert to fraction form
    27,270.84/37,629.42 = 15,938.58/x
  3. Step 3: Cross multiply
    27,270.84x = 37,629.42 × 15,938.58
  4. Step 4: Simplify right side
    27,270.84x = 599,759,521.02
  5. Step 5: Solve for x
    x = 599,759,521.02/27,270.84
  6. Step 6: Final answer
    x = 21,992.70

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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.