Home / 27,898.14-38,499.27-15,151.23

Finding the Fourth Proportional to 27,898.14, 38,499.27 and 15,151.23

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Solution

The fourth proportional to 27,898.14, 38,499.27 and 15,151.23 is: 20,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.14 : 38,499.27 = 15,151.23 : x
  2. Step 2: Convert to fraction form
    27,898.14/38,499.27 = 15,151.23/x
  3. Step 3: Cross multiply
    27,898.14x = 38,499.27 × 15,151.23
  4. Step 4: Simplify right side
    27,898.14x = 583,311,294.60
  5. Step 5: Solve for x
    x = 583,311,294.60/27,898.14
  6. Step 6: Final answer
    x = 20,908.61

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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.