Home / 21,584.78-32,383.63-13,045.74

Finding the Fourth Proportional to 21,584.78, 32,383.63 and 13,045.74

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Solution

The fourth proportional to 21,584.78, 32,383.63 and 13,045.74 is: 19,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.78 : 32,383.63 = 13,045.74 : x
  2. Step 2: Convert to fraction form
    21,584.78/32,383.63 = 13,045.74/x
  3. Step 3: Cross multiply
    21,584.78x = 32,383.63 × 13,045.74
  4. Step 4: Simplify right side
    21,584.78x = 422,468,494.26
  5. Step 5: Solve for x
    x = 422,468,494.26/21,584.78
  6. Step 6: Final answer
    x = 19,572.52

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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.