Home / 21,263.20-32,054.08-19,835.98

Finding the Fourth Proportional to 21,263.20, 32,054.08 and 19,835.98

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Solution

The fourth proportional to 21,263.20, 32,054.08 and 19,835.98 is: 29,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.20 : 32,054.08 = 19,835.98 : x
  2. Step 2: Convert to fraction form
    21,263.20/32,054.08 = 19,835.98/x
  3. Step 3: Cross multiply
    21,263.20x = 32,054.08 × 19,835.98
  4. Step 4: Simplify right side
    21,263.20x = 635,824,089.80
  5. Step 5: Solve for x
    x = 635,824,089.80/21,263.20
  6. Step 6: Final answer
    x = 29,902.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.