Home / 22,902.18-31,603.35-12,828.91

Finding the Fourth Proportional to 22,902.18, 31,603.35 and 12,828.91

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Solution

The fourth proportional to 22,902.18, 31,603.35 and 12,828.91 is: 17,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.18 : 31,603.35 = 12,828.91 : x
  2. Step 2: Convert to fraction form
    22,902.18/31,603.35 = 12,828.91/x
  3. Step 3: Cross multiply
    22,902.18x = 31,603.35 × 12,828.91
  4. Step 4: Simplify right side
    22,902.18x = 405,436,532.85
  5. Step 5: Solve for x
    x = 405,436,532.85/22,902.18
  6. Step 6: Final answer
    x = 17,702.97

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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.