Home / 27,965.10-38,590.71-16,020.15

Finding the Fourth Proportional to 27,965.10, 38,590.71 and 16,020.15

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Solution

The fourth proportional to 27,965.10, 38,590.71 and 16,020.15 is: 22,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.10 : 38,590.71 = 16,020.15 : x
  2. Step 2: Convert to fraction form
    27,965.10/38,590.71 = 16,020.15/x
  3. Step 3: Cross multiply
    27,965.10x = 38,590.71 × 16,020.15
  4. Step 4: Simplify right side
    27,965.10x = 618,228,962.81
  5. Step 5: Solve for x
    x = 618,228,962.81/27,965.10
  6. Step 6: Final answer
    x = 22,107.16

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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.