Home / 21,714.26-29,952.36-19,188.27

Finding the Fourth Proportional to 21,714.26, 29,952.36 and 19,188.27

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Solution

The fourth proportional to 21,714.26, 29,952.36 and 19,188.27 is: 26,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.26 : 29,952.36 = 19,188.27 : x
  2. Step 2: Convert to fraction form
    21,714.26/29,952.36 = 19,188.27/x
  3. Step 3: Cross multiply
    21,714.26x = 29,952.36 × 19,188.27
  4. Step 4: Simplify right side
    21,714.26x = 574,733,970.82
  5. Step 5: Solve for x
    x = 574,733,970.82/21,714.26
  6. Step 6: Final answer
    x = 26,468.05

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1.5x scale

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.