Home / 27,089.22-37,381.68-15,758.13

Finding the Fourth Proportional to 27,089.22, 37,381.68 and 15,758.13

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Solution

The fourth proportional to 27,089.22, 37,381.68 and 15,758.13 is: 21,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.22 : 37,381.68 = 15,758.13 : x
  2. Step 2: Convert to fraction form
    27,089.22/37,381.68 = 15,758.13/x
  3. Step 3: Cross multiply
    27,089.22x = 37,381.68 × 15,758.13
  4. Step 4: Simplify right side
    27,089.22x = 589,065,373.06
  5. Step 5: Solve for x
    x = 589,065,373.06/27,089.22
  6. Step 6: Final answer
    x = 21,745.38

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Half scale
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Double scale
Find fourth proportional to 27,090.22, 37,383.06 and 15,759.13
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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.