Home / 27,929.58-38,540.52-16,442.66

Finding the Fourth Proportional to 27,929.58, 38,540.52 and 16,442.66

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Solution

The fourth proportional to 27,929.58, 38,540.52 and 16,442.66 is: 22,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.58 : 38,540.52 = 16,442.66 : x
  2. Step 2: Convert to fraction form
    27,929.58/38,540.52 = 16,442.66/x
  3. Step 3: Cross multiply
    27,929.58x = 38,540.52 × 16,442.66
  4. Step 4: Simplify right side
    27,929.58x = 633,708,762.93
  5. Step 5: Solve for x
    x = 633,708,762.93/27,929.58
  6. Step 6: Final answer
    x = 22,689.52

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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.