Home / 21,564.61-29,600.16-19,154.05

Finding the Fourth Proportional to 21,564.61, 29,600.16 and 19,154.05

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Solution

The fourth proportional to 21,564.61, 29,600.16 and 19,154.05 is: 26,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.61 : 29,600.16 = 19,154.05 : x
  2. Step 2: Convert to fraction form
    21,564.61/29,600.16 = 19,154.05/x
  3. Step 3: Cross multiply
    21,564.61x = 29,600.16 × 19,154.05
  4. Step 4: Simplify right side
    21,564.61x = 566,962,906.56
  5. Step 5: Solve for x
    x = 566,962,906.56/21,564.61
  6. Step 6: Final answer
    x = 26,291.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.