Home / 27,050.94-37,377.99-20,817.18

Finding the Fourth Proportional to 27,050.94, 37,377.99 and 20,817.18

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Solution

The fourth proportional to 27,050.94, 37,377.99 and 20,817.18 is: 28,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,050.94 : 37,377.99 = 20,817.18 : x
  2. Step 2: Convert to fraction form
    27,050.94/37,377.99 = 20,817.18/x
  3. Step 3: Cross multiply
    27,050.94x = 37,377.99 × 20,817.18
  4. Step 4: Simplify right side
    27,050.94x = 778,104,345.87
  5. Step 5: Solve for x
    x = 778,104,345.87/27,050.94
  6. Step 6: Final answer
    x = 28,764.41

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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.