Home / 27,524.10-37,999.02-18,120

Finding the Fourth Proportional to 27,524.10, 37,999.02 and 18,120

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Solution

The fourth proportional to 27,524.10, 37,999.02 and 18,120 is: 25,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,524.10 : 37,999.02 = 18,120 : x
  2. Step 2: Convert to fraction form
    27,524.10/37,999.02 = 18,120/x
  3. Step 3: Cross multiply
    27,524.10x = 37,999.02 × 18,120
  4. Step 4: Simplify right side
    27,524.10x = 688,542,242.40
  5. Step 5: Solve for x
    x = 688,542,242.40/27,524.10
  6. Step 6: Final answer
    x = 25,015.98

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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.