Home / 21,656.52-29,867.28-14,100

Finding the Fourth Proportional to 21,656.52, 29,867.28 and 14,100

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Solution

The fourth proportional to 21,656.52, 29,867.28 and 14,100 is: 19,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.52 : 29,867.28 = 14,100 : x
  2. Step 2: Convert to fraction form
    21,656.52/29,867.28 = 14,100/x
  3. Step 3: Cross multiply
    21,656.52x = 29,867.28 × 14,100
  4. Step 4: Simplify right side
    21,656.52x = 421,128,648
  5. Step 5: Solve for x
    x = 421,128,648/21,656.52
  6. Step 6: Final answer
    x = 19,445.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.