Home / 27,057.60-40,558.86-18,293.40

Finding the Fourth Proportional to 27,057.60, 40,558.86 and 18,293.40

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Solution

The fourth proportional to 27,057.60, 40,558.86 and 18,293.40 is: 27,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.60 : 40,558.86 = 18,293.40 : x
  2. Step 2: Convert to fraction form
    27,057.60/40,558.86 = 18,293.40/x
  3. Step 3: Cross multiply
    27,057.60x = 40,558.86 × 18,293.40
  4. Step 4: Simplify right side
    27,057.60x = 741,959,449.52
  5. Step 5: Solve for x
    x = 741,959,449.52/27,057.60
  6. Step 6: Final answer
    x = 27,421.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.