Home / 28,234.06-38,970.09-19,174.75

Finding the Fourth Proportional to 28,234.06, 38,970.09 and 19,174.75

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Solution

The fourth proportional to 28,234.06, 38,970.09 and 19,174.75 is: 26,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.06 : 38,970.09 = 19,174.75 : x
  2. Step 2: Convert to fraction form
    28,234.06/38,970.09 = 19,174.75/x
  3. Step 3: Cross multiply
    28,234.06x = 38,970.09 × 19,174.75
  4. Step 4: Simplify right side
    28,234.06x = 747,241,733.23
  5. Step 5: Solve for x
    x = 747,241,733.23/28,234.06
  6. Step 6: Final answer
    x = 26,465.97

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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.