Home / 27,488.48-37,936.82-19,838.08

Finding the Fourth Proportional to 27,488.48, 37,936.82 and 19,838.08

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Solution

The fourth proportional to 27,488.48, 37,936.82 and 19,838.08 is: 27,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.48 : 37,936.82 = 19,838.08 : x
  2. Step 2: Convert to fraction form
    27,488.48/37,936.82 = 19,838.08/x
  3. Step 3: Cross multiply
    27,488.48x = 37,936.82 × 19,838.08
  4. Step 4: Simplify right side
    27,488.48x = 752,593,381.23
  5. Step 5: Solve for x
    x = 752,593,381.23/27,488.48
  6. Step 6: Final answer
    x = 27,378.50

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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.