Home / 27,261.98-37,620.57-15,162.40

Finding the Fourth Proportional to 27,261.98, 37,620.57 and 15,162.40

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Solution

The fourth proportional to 27,261.98, 37,620.57 and 15,162.40 is: 20,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.98 : 37,620.57 = 15,162.40 : x
  2. Step 2: Convert to fraction form
    27,261.98/37,620.57 = 15,162.40/x
  3. Step 3: Cross multiply
    27,261.98x = 37,620.57 × 15,162.40
  4. Step 4: Simplify right side
    27,261.98x = 570,418,130.57
  5. Step 5: Solve for x
    x = 570,418,130.57/27,261.98
  6. Step 6: Final answer
    x = 20,923.58

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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.