Home / 27,178.94-37,507.05-15,243.39

Finding the Fourth Proportional to 27,178.94, 37,507.05 and 15,243.39

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Solution

The fourth proportional to 27,178.94, 37,507.05 and 15,243.39 is: 21,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.94 : 37,507.05 = 15,243.39 : x
  2. Step 2: Convert to fraction form
    27,178.94/37,507.05 = 15,243.39/x
  3. Step 3: Cross multiply
    27,178.94x = 37,507.05 × 15,243.39
  4. Step 4: Simplify right side
    27,178.94x = 571,734,590.90
  5. Step 5: Solve for x
    x = 571,734,590.90/27,178.94
  6. Step 6: Final answer
    x = 21,035.94

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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.