Home / 27,840.36-38,414.24-16,507.74

Finding the Fourth Proportional to 27,840.36, 38,414.24 and 16,507.74

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Solution

The fourth proportional to 27,840.36, 38,414.24 and 16,507.74 is: 22,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.36 : 38,414.24 = 16,507.74 : x
  2. Step 2: Convert to fraction form
    27,840.36/38,414.24 = 16,507.74/x
  3. Step 3: Cross multiply
    27,840.36x = 38,414.24 × 16,507.74
  4. Step 4: Simplify right side
    27,840.36x = 634,132,286.22
  5. Step 5: Solve for x
    x = 634,132,286.22/27,840.36
  6. Step 6: Final answer
    x = 22,777.45

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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.