Home / 27,427.21-37,826.90-18,471.04

Finding the Fourth Proportional to 27,427.21, 37,826.90 and 18,471.04

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Solution

The fourth proportional to 27,427.21, 37,826.90 and 18,471.04 is: 25,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.21 : 37,826.90 = 18,471.04 : x
  2. Step 2: Convert to fraction form
    27,427.21/37,826.90 = 18,471.04/x
  3. Step 3: Cross multiply
    27,427.21x = 37,826.90 × 18,471.04
  4. Step 4: Simplify right side
    27,427.21x = 698,702,065.32
  5. Step 5: Solve for x
    x = 698,702,065.32/27,427.21
  6. Step 6: Final answer
    x = 25,474.78

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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.