Home / 27,042.49-37,318.47-15,105.79

Finding the Fourth Proportional to 27,042.49, 37,318.47 and 15,105.79

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Solution

The fourth proportional to 27,042.49, 37,318.47 and 15,105.79 is: 20,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.49 : 37,318.47 = 15,105.79 : x
  2. Step 2: Convert to fraction form
    27,042.49/37,318.47 = 15,105.79/x
  3. Step 3: Cross multiply
    27,042.49x = 37,318.47 × 15,105.79
  4. Step 4: Simplify right side
    27,042.49x = 563,724,784.35
  5. Step 5: Solve for x
    x = 563,724,784.35/27,042.49
  6. Step 6: Final answer
    x = 20,845.89

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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.