Home / 27,108.22-40,635.06-13,047.70

Finding the Fourth Proportional to 27,108.22, 40,635.06 and 13,047.70

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Solution

The fourth proportional to 27,108.22, 40,635.06 and 13,047.70 is: 19,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.22 : 40,635.06 = 13,047.70 : x
  2. Step 2: Convert to fraction form
    27,108.22/40,635.06 = 13,047.70/x
  3. Step 3: Cross multiply
    27,108.22x = 40,635.06 × 13,047.70
  4. Step 4: Simplify right side
    27,108.22x = 530,194,072.36
  5. Step 5: Solve for x
    x = 530,194,072.36/27,108.22
  6. Step 6: Final answer
    x = 19,558.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.