Home / 21,827.08-32,712.53-19,004.36

Finding the Fourth Proportional to 21,827.08, 32,712.53 and 19,004.36

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Solution

The fourth proportional to 21,827.08, 32,712.53 and 19,004.36 is: 28,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.08 : 32,712.53 = 19,004.36 : x
  2. Step 2: Convert to fraction form
    21,827.08/32,712.53 = 19,004.36/x
  3. Step 3: Cross multiply
    21,827.08x = 32,712.53 × 19,004.36
  4. Step 4: Simplify right side
    21,827.08x = 621,680,696.63
  5. Step 5: Solve for x
    x = 621,680,696.63/21,827.08
  6. Step 6: Final answer
    x = 28,482.09

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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.