Home / 31,624.43-43,661.84-19,705.28

Finding the Fourth Proportional to 31,624.43, 43,661.84 and 19,705.28

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Solution

The fourth proportional to 31,624.43, 43,661.84 and 19,705.28 is: 27,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.43 : 43,661.84 = 19,705.28 : x
  2. Step 2: Convert to fraction form
    31,624.43/43,661.84 = 19,705.28/x
  3. Step 3: Cross multiply
    31,624.43x = 43,661.84 × 19,705.28
  4. Step 4: Simplify right side
    31,624.43x = 860,368,465.68
  5. Step 5: Solve for x
    x = 860,368,465.68/31,624.43
  6. Step 6: Final answer
    x = 27,205.82

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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.