Home / 21,702.45-32,520-15,051.93

Finding the Fourth Proportional to 21,702.45, 32,520 and 15,051.93

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Solution

The fourth proportional to 21,702.45, 32,520 and 15,051.93 is: 22,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.45 : 32,520 = 15,051.93 : x
  2. Step 2: Convert to fraction form
    21,702.45/32,520 = 15,051.93/x
  3. Step 3: Cross multiply
    21,702.45x = 32,520 × 15,051.93
  4. Step 4: Simplify right side
    21,702.45x = 489,488,763.60
  5. Step 5: Solve for x
    x = 489,488,763.60/21,702.45
  6. Step 6: Final answer
    x = 22,554.54

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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.