Home / 27,828.90-38,411.15-17,212.37

Finding the Fourth Proportional to 27,828.90, 38,411.15 and 17,212.37

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Solution

The fourth proportional to 27,828.90, 38,411.15 and 17,212.37 is: 23,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.90 : 38,411.15 = 17,212.37 : x
  2. Step 2: Convert to fraction form
    27,828.90/38,411.15 = 17,212.37/x
  3. Step 3: Cross multiply
    27,828.90x = 38,411.15 × 17,212.37
  4. Step 4: Simplify right side
    27,828.90x = 661,146,647.81
  5. Step 5: Solve for x
    x = 661,146,647.81/27,828.90
  6. Step 6: Final answer
    x = 23,757.56

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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.