Home / 27,434.36-37,858.96-15,335.12

Finding the Fourth Proportional to 27,434.36, 37,858.96 and 15,335.12

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Solution

The fourth proportional to 27,434.36, 37,858.96 and 15,335.12 is: 21,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.36 : 37,858.96 = 15,335.12 : x
  2. Step 2: Convert to fraction form
    27,434.36/37,858.96 = 15,335.12/x
  3. Step 3: Cross multiply
    27,434.36x = 37,858.96 × 15,335.12
  4. Step 4: Simplify right side
    27,434.36x = 580,571,694.68
  5. Step 5: Solve for x
    x = 580,571,694.68/27,434.36
  6. Step 6: Final answer
    x = 21,162.21

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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.