Home / 27,981.09-38,614.05-16,047.36

Finding the Fourth Proportional to 27,981.09, 38,614.05 and 16,047.36

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Solution

The fourth proportional to 27,981.09, 38,614.05 and 16,047.36 is: 22,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.09 : 38,614.05 = 16,047.36 : x
  2. Step 2: Convert to fraction form
    27,981.09/38,614.05 = 16,047.36/x
  3. Step 3: Cross multiply
    27,981.09x = 38,614.05 × 16,047.36
  4. Step 4: Simplify right side
    27,981.09x = 619,653,561.41
  5. Step 5: Solve for x
    x = 619,653,561.41/27,981.09
  6. Step 6: Final answer
    x = 22,145.44

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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.