Home / 22,976.84-31,705.80-12,902.99

Finding the Fourth Proportional to 22,976.84, 31,705.80 and 12,902.99

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Solution

The fourth proportional to 22,976.84, 31,705.80 and 12,902.99 is: 17,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,976.84 : 31,705.80 = 12,902.99 : x
  2. Step 2: Convert to fraction form
    22,976.84/31,705.80 = 12,902.99/x
  3. Step 3: Cross multiply
    22,976.84x = 31,705.80 × 12,902.99
  4. Step 4: Simplify right side
    22,976.84x = 409,099,620.34
  5. Step 5: Solve for x
    x = 409,099,620.34/22,976.84
  6. Step 6: Final answer
    x = 17,804.87

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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.