Home / 27,749.13-38,288.81-16,412.99

Finding the Fourth Proportional to 27,749.13, 38,288.81 and 16,412.99

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Solution

The fourth proportional to 27,749.13, 38,288.81 and 16,412.99 is: 22,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.13 : 38,288.81 = 16,412.99 : x
  2. Step 2: Convert to fraction form
    27,749.13/38,288.81 = 16,412.99/x
  3. Step 3: Cross multiply
    27,749.13x = 38,288.81 × 16,412.99
  4. Step 4: Simplify right side
    27,749.13x = 628,433,582.13
  5. Step 5: Solve for x
    x = 628,433,582.13/27,749.13
  6. Step 6: Final answer
    x = 22,646.97

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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.