Home / 27,396.11-37,805.72-15,296.87

Finding the Fourth Proportional to 27,396.11, 37,805.72 and 15,296.87

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Solution

The fourth proportional to 27,396.11, 37,805.72 and 15,296.87 is: 21,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.11 : 37,805.72 = 15,296.87 : x
  2. Step 2: Convert to fraction form
    27,396.11/37,805.72 = 15,296.87/x
  3. Step 3: Cross multiply
    27,396.11x = 37,805.72 × 15,296.87
  4. Step 4: Simplify right side
    27,396.11x = 578,308,918.58
  5. Step 5: Solve for x
    x = 578,308,918.58/27,396.11
  6. Step 6: Final answer
    x = 21,109.17

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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.