Home / 27,945.82-38,570.71-16,017.15

Finding the Fourth Proportional to 27,945.82, 38,570.71 and 16,017.15

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Solution

The fourth proportional to 27,945.82, 38,570.71 and 16,017.15 is: 22,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.82 : 38,570.71 = 16,017.15 : x
  2. Step 2: Convert to fraction form
    27,945.82/38,570.71 = 16,017.15/x
  3. Step 3: Cross multiply
    27,945.82x = 38,570.71 × 16,017.15
  4. Step 4: Simplify right side
    27,945.82x = 617,792,807.63
  5. Step 5: Solve for x
    x = 617,792,807.63/27,945.82
  6. Step 6: Final answer
    x = 22,106.81

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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.