Home / 27,715.08-38,169.06-25,936.28

Finding the Fourth Proportional to 27,715.08, 38,169.06 and 25,936.28

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Solution

The fourth proportional to 27,715.08, 38,169.06 and 25,936.28 is: 35,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.08 : 38,169.06 = 25,936.28 : x
  2. Step 2: Convert to fraction form
    27,715.08/38,169.06 = 25,936.28/x
  3. Step 3: Cross multiply
    27,715.08x = 38,169.06 × 25,936.28
  4. Step 4: Simplify right side
    27,715.08x = 989,963,427.50
  5. Step 5: Solve for x
    x = 989,963,427.50/27,715.08
  6. Step 6: Final answer
    x = 35,719.31

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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.