Home / 27,022.80-37,290.86-15,087.26

Finding the Fourth Proportional to 27,022.80, 37,290.86 and 15,087.26

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Solution

The fourth proportional to 27,022.80, 37,290.86 and 15,087.26 is: 20,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.80 : 37,290.86 = 15,087.26 : x
  2. Step 2: Convert to fraction form
    27,022.80/37,290.86 = 15,087.26/x
  3. Step 3: Cross multiply
    27,022.80x = 37,290.86 × 15,087.26
  4. Step 4: Simplify right side
    27,022.80x = 562,616,900.44
  5. Step 5: Solve for x
    x = 562,616,900.44/27,022.80
  6. Step 6: Final answer
    x = 20,820.08

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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.