Home / 27,488.80-37,936.38-15,552.64

Finding the Fourth Proportional to 27,488.80, 37,936.38 and 15,552.64

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Solution

The fourth proportional to 27,488.80, 37,936.38 and 15,552.64 is: 21,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.80 : 37,936.38 = 15,552.64 : x
  2. Step 2: Convert to fraction form
    27,488.80/37,936.38 = 15,552.64/x
  3. Step 3: Cross multiply
    27,488.80x = 37,936.38 × 15,552.64
  4. Step 4: Simplify right side
    27,488.80x = 590,010,861.04
  5. Step 5: Solve for x
    x = 590,010,861.04/27,488.80
  6. Step 6: Final answer
    x = 21,463.68

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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.