Home / 27,685.64-38,209.06-16,937.68

Finding the Fourth Proportional to 27,685.64, 38,209.06 and 16,937.68

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Solution

The fourth proportional to 27,685.64, 38,209.06 and 16,937.68 is: 23,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.64 : 38,209.06 = 16,937.68 : x
  2. Step 2: Convert to fraction form
    27,685.64/38,209.06 = 16,937.68/x
  3. Step 3: Cross multiply
    27,685.64x = 38,209.06 × 16,937.68
  4. Step 4: Simplify right side
    27,685.64x = 647,172,693.51
  5. Step 5: Solve for x
    x = 647,172,693.51/27,685.64
  6. Step 6: Final answer
    x = 23,375.75

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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.