Home / 27,776.50-38,335.89-16,604.98

Finding the Fourth Proportional to 27,776.50, 38,335.89 and 16,604.98

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Solution

The fourth proportional to 27,776.50, 38,335.89 and 16,604.98 is: 22,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.50 : 38,335.89 = 16,604.98 : x
  2. Step 2: Convert to fraction form
    27,776.50/38,335.89 = 16,604.98/x
  3. Step 3: Cross multiply
    27,776.50x = 38,335.89 × 16,604.98
  4. Step 4: Simplify right side
    27,776.50x = 636,566,686.73
  5. Step 5: Solve for x
    x = 636,566,686.73/27,776.50
  6. Step 6: Final answer
    x = 22,917.45

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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.