Home / 27,814.29-38,383.43-15,239.01

Finding the Fourth Proportional to 27,814.29, 38,383.43 and 15,239.01

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Solution

The fourth proportional to 27,814.29, 38,383.43 and 15,239.01 is: 21,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.29 : 38,383.43 = 15,239.01 : x
  2. Step 2: Convert to fraction form
    27,814.29/38,383.43 = 15,239.01/x
  3. Step 3: Cross multiply
    27,814.29x = 38,383.43 × 15,239.01
  4. Step 4: Simplify right side
    27,814.29x = 584,925,397.41
  5. Step 5: Solve for x
    x = 584,925,397.41/27,814.29
  6. Step 6: Final answer
    x = 21,029.67

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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.