Home / 27,387.51-37,794.77-15,453.37

Finding the Fourth Proportional to 27,387.51, 37,794.77 and 15,453.37

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Solution

The fourth proportional to 27,387.51, 37,794.77 and 15,453.37 is: 21,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.51 : 37,794.77 = 15,453.37 : x
  2. Step 2: Convert to fraction form
    27,387.51/37,794.77 = 15,453.37/x
  3. Step 3: Cross multiply
    27,387.51x = 37,794.77 × 15,453.37
  4. Step 4: Simplify right side
    27,387.51x = 584,056,564.87
  5. Step 5: Solve for x
    x = 584,056,564.87/27,387.51
  6. Step 6: Final answer
    x = 21,325.65

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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.