Home / 27,826.16-38,394.43-16,490.66

Finding the Fourth Proportional to 27,826.16, 38,394.43 and 16,490.66

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Solution

The fourth proportional to 27,826.16, 38,394.43 and 16,490.66 is: 22,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.16 : 38,394.43 = 16,490.66 : x
  2. Step 2: Convert to fraction form
    27,826.16/38,394.43 = 16,490.66/x
  3. Step 3: Cross multiply
    27,826.16x = 38,394.43 × 16,490.66
  4. Step 4: Simplify right side
    27,826.16x = 633,149,491.02
  5. Step 5: Solve for x
    x = 633,149,491.02/27,826.16
  6. Step 6: Final answer
    x = 22,753.75

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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.