Home / 27,934.99-38,550.28-15,359.74

Finding the Fourth Proportional to 27,934.99, 38,550.28 and 15,359.74

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Solution

The fourth proportional to 27,934.99, 38,550.28 and 15,359.74 is: 21,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.99 : 38,550.28 = 15,359.74 : x
  2. Step 2: Convert to fraction form
    27,934.99/38,550.28 = 15,359.74/x
  3. Step 3: Cross multiply
    27,934.99x = 38,550.28 × 15,359.74
  4. Step 4: Simplify right side
    27,934.99x = 592,122,277.73
  5. Step 5: Solve for x
    x = 592,122,277.73/27,934.99
  6. Step 6: Final answer
    x = 21,196.44

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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.