Home / 27,664.49-38,174.43-15,725.49

Finding the Fourth Proportional to 27,664.49, 38,174.43 and 15,725.49

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Solution

The fourth proportional to 27,664.49, 38,174.43 and 15,725.49 is: 21,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.49 : 38,174.43 = 15,725.49 : x
  2. Step 2: Convert to fraction form
    27,664.49/38,174.43 = 15,725.49/x
  3. Step 3: Cross multiply
    27,664.49x = 38,174.43 × 15,725.49
  4. Step 4: Simplify right side
    27,664.49x = 600,311,538.59
  5. Step 5: Solve for x
    x = 600,311,538.59/27,664.49
  6. Step 6: Final answer
    x = 21,699.72

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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.