Home / 27,913.85-38,560.31-25,391.51

Finding the Fourth Proportional to 27,913.85, 38,560.31 and 25,391.51

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Solution

The fourth proportional to 27,913.85, 38,560.31 and 25,391.51 is: 35,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.85 : 38,560.31 = 25,391.51 : x
  2. Step 2: Convert to fraction form
    27,913.85/38,560.31 = 25,391.51/x
  3. Step 3: Cross multiply
    27,913.85x = 38,560.31 × 25,391.51
  4. Step 4: Simplify right side
    27,913.85x = 979,104,496.97
  5. Step 5: Solve for x
    x = 979,104,496.97/27,913.85
  6. Step 6: Final answer
    x = 35,075.94

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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.