Home / 27,633.63-38,141.46-15,700.80

Finding the Fourth Proportional to 27,633.63, 38,141.46 and 15,700.80

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Solution

The fourth proportional to 27,633.63, 38,141.46 and 15,700.80 is: 21,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.63 : 38,141.46 = 15,700.80 : x
  2. Step 2: Convert to fraction form
    27,633.63/38,141.46 = 15,700.80/x
  3. Step 3: Cross multiply
    27,633.63x = 38,141.46 × 15,700.80
  4. Step 4: Simplify right side
    27,633.63x = 598,851,435.17
  5. Step 5: Solve for x
    x = 598,851,435.17/27,633.63
  6. Step 6: Final answer
    x = 21,671.11

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Double scale
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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.