Home / 21,867.84-32,799.90-13,096.35

Finding the Fourth Proportional to 21,867.84, 32,799.90 and 13,096.35

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Solution

The fourth proportional to 21,867.84, 32,799.90 and 13,096.35 is: 19,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.84 : 32,799.90 = 13,096.35 : x
  2. Step 2: Convert to fraction form
    21,867.84/32,799.90 = 13,096.35/x
  3. Step 3: Cross multiply
    21,867.84x = 32,799.90 × 13,096.35
  4. Step 4: Simplify right side
    21,867.84x = 429,558,970.37
  5. Step 5: Solve for x
    x = 429,558,970.37/21,867.84
  6. Step 6: Final answer
    x = 19,643.41

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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.