Home / 25,835.58-38,706.57-21,702.15

Finding the Fourth Proportional to 25,835.58, 38,706.57 and 21,702.15

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Solution

The fourth proportional to 25,835.58, 38,706.57 and 21,702.15 is: 32,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.58 : 38,706.57 = 21,702.15 : x
  2. Step 2: Convert to fraction form
    25,835.58/38,706.57 = 21,702.15/x
  3. Step 3: Cross multiply
    25,835.58x = 38,706.57 × 21,702.15
  4. Step 4: Simplify right side
    25,835.58x = 840,015,788.13
  5. Step 5: Solve for x
    x = 840,015,788.13/25,835.58
  6. Step 6: Final answer
    x = 32,513.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.