Home / 27,930.58-38,541.90-16,443.66

Finding the Fourth Proportional to 27,930.58, 38,541.90 and 16,443.66

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Solution

The fourth proportional to 27,930.58, 38,541.90 and 16,443.66 is: 22,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.58 : 38,541.90 = 16,443.66 : x
  2. Step 2: Convert to fraction form
    27,930.58/38,541.90 = 16,443.66/x
  3. Step 3: Cross multiply
    27,930.58x = 38,541.90 × 16,443.66
  4. Step 4: Simplify right side
    27,930.58x = 633,769,899.35
  5. Step 5: Solve for x
    x = 633,769,899.35/27,930.58
  6. Step 6: Final answer
    x = 22,690.90

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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.