Home / 27,914.80-38,521.62-15,977.74

Finding the Fourth Proportional to 27,914.80, 38,521.62 and 15,977.74

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Solution

The fourth proportional to 27,914.80, 38,521.62 and 15,977.74 is: 22,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,914.80 : 38,521.62 = 15,977.74 : x
  2. Step 2: Convert to fraction form
    27,914.80/38,521.62 = 15,977.74/x
  3. Step 3: Cross multiply
    27,914.80x = 38,521.62 × 15,977.74
  4. Step 4: Simplify right side
    27,914.80x = 615,488,428.74
  5. Step 5: Solve for x
    x = 615,488,428.74/27,914.80
  6. Step 6: Final answer
    x = 22,048.82

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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.