Home / 27,588.16-38,036.08-20,045.44

Finding the Fourth Proportional to 27,588.16, 38,036.08 and 20,045.44

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Solution

The fourth proportional to 27,588.16, 38,036.08 and 20,045.44 is: 27,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.16 : 38,036.08 = 20,045.44 : x
  2. Step 2: Convert to fraction form
    27,588.16/38,036.08 = 20,045.44/x
  3. Step 3: Cross multiply
    27,588.16x = 38,036.08 × 20,045.44
  4. Step 4: Simplify right side
    27,588.16x = 762,449,959.48
  5. Step 5: Solve for x
    x = 762,449,959.48/27,588.16
  6. Step 6: Final answer
    x = 27,636.85

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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.