Home / 28,814.13-39,749.37-19,256.37

Finding the Fourth Proportional to 28,814.13, 39,749.37 and 19,256.37

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Solution

The fourth proportional to 28,814.13, 39,749.37 and 19,256.37 is: 26,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.13 : 39,749.37 = 19,256.37 : x
  2. Step 2: Convert to fraction form
    28,814.13/39,749.37 = 19,256.37/x
  3. Step 3: Cross multiply
    28,814.13x = 39,749.37 × 19,256.37
  4. Step 4: Simplify right side
    28,814.13x = 765,428,575.99
  5. Step 5: Solve for x
    x = 765,428,575.99/28,814.13
  6. Step 6: Final answer
    x = 26,564.35

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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.