Home / 27,042.93-37,319.40-15,107.31

Finding the Fourth Proportional to 27,042.93, 37,319.40 and 15,107.31

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Solution

The fourth proportional to 27,042.93, 37,319.40 and 15,107.31 is: 20,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.93 : 37,319.40 = 15,107.31 : x
  2. Step 2: Convert to fraction form
    27,042.93/37,319.40 = 15,107.31/x
  3. Step 3: Cross multiply
    27,042.93x = 37,319.40 × 15,107.31
  4. Step 4: Simplify right side
    27,042.93x = 563,795,744.81
  5. Step 5: Solve for x
    x = 563,795,744.81/27,042.93
  6. Step 6: Final answer
    x = 20,848.18

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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.