Home / 25,110.56-34,565.58-21,705.99

Finding the Fourth Proportional to 25,110.56, 34,565.58 and 21,705.99

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Solution

The fourth proportional to 25,110.56, 34,565.58 and 21,705.99 is: 29,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.56 : 34,565.58 = 21,705.99 : x
  2. Step 2: Convert to fraction form
    25,110.56/34,565.58 = 21,705.99/x
  3. Step 3: Cross multiply
    25,110.56x = 34,565.58 × 21,705.99
  4. Step 4: Simplify right side
    25,110.56x = 750,280,133.82
  5. Step 5: Solve for x
    x = 750,280,133.82/25,110.56
  6. Step 6: Final answer
    x = 29,879.07

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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.