Home / 19,877.76-27,418.68-14,836.56

Finding the Fourth Proportional to 19,877.76, 27,418.68 and 14,836.56

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Solution

The fourth proportional to 19,877.76, 27,418.68 and 14,836.56 is: 20,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.76 : 27,418.68 = 14,836.56 : x
  2. Step 2: Convert to fraction form
    19,877.76/27,418.68 = 14,836.56/x
  3. Step 3: Cross multiply
    19,877.76x = 27,418.68 × 14,836.56
  4. Step 4: Simplify right side
    19,877.76x = 406,798,890.94
  5. Step 5: Solve for x
    x = 406,798,890.94/19,877.76
  6. Step 6: Final answer
    x = 20,465.03

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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.