Home / 27,285.46-37,663.89-17,220.45

Finding the Fourth Proportional to 27,285.46, 37,663.89 and 17,220.45

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Solution

The fourth proportional to 27,285.46, 37,663.89 and 17,220.45 is: 23,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.46 : 37,663.89 = 17,220.45 : x
  2. Step 2: Convert to fraction form
    27,285.46/37,663.89 = 17,220.45/x
  3. Step 3: Cross multiply
    27,285.46x = 37,663.89 × 17,220.45
  4. Step 4: Simplify right side
    27,285.46x = 648,588,999.35
  5. Step 5: Solve for x
    x = 648,588,999.35/27,285.46
  6. Step 6: Final answer
    x = 23,770.50

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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.