Home / 27,209.79-37,546.94-15,270.80

Finding the Fourth Proportional to 27,209.79, 37,546.94 and 15,270.80

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Solution

The fourth proportional to 27,209.79, 37,546.94 and 15,270.80 is: 21,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.79 : 37,546.94 = 15,270.80 : x
  2. Step 2: Convert to fraction form
    27,209.79/37,546.94 = 15,270.80/x
  3. Step 3: Cross multiply
    27,209.79x = 37,546.94 × 15,270.80
  4. Step 4: Simplify right side
    27,209.79x = 573,371,547.26
  5. Step 5: Solve for x
    x = 573,371,547.26/27,209.79
  6. Step 6: Final answer
    x = 21,072.25

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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.