Home / 27,730.24-38,268.48-16,558.72

Finding the Fourth Proportional to 27,730.24, 38,268.48 and 16,558.72

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Solution

The fourth proportional to 27,730.24, 38,268.48 and 16,558.72 is: 22,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.24 : 38,268.48 = 16,558.72 : x
  2. Step 2: Convert to fraction form
    27,730.24/38,268.48 = 16,558.72/x
  3. Step 3: Cross multiply
    27,730.24x = 38,268.48 × 16,558.72
  4. Step 4: Simplify right side
    27,730.24x = 633,677,045.15
  5. Step 5: Solve for x
    x = 633,677,045.15/27,730.24
  6. Step 6: Final answer
    x = 22,851.48

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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.