Home / 27,975.83-38,606.25-15,400.58

Finding the Fourth Proportional to 27,975.83, 38,606.25 and 15,400.58

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Solution

The fourth proportional to 27,975.83, 38,606.25 and 15,400.58 is: 21,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.83 : 38,606.25 = 15,400.58 : x
  2. Step 2: Convert to fraction form
    27,975.83/38,606.25 = 15,400.58/x
  3. Step 3: Cross multiply
    27,975.83x = 38,606.25 × 15,400.58
  4. Step 4: Simplify right side
    27,975.83x = 594,558,593.56
  5. Step 5: Solve for x
    x = 594,558,593.56/27,975.83
  6. Step 6: Final answer
    x = 21,252.58

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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.