Home / 21,986.02-30,339.27-14,027.39

Finding the Fourth Proportional to 21,986.02, 30,339.27 and 14,027.39

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Solution

The fourth proportional to 21,986.02, 30,339.27 and 14,027.39 is: 19,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.02 : 30,339.27 = 14,027.39 : x
  2. Step 2: Convert to fraction form
    21,986.02/30,339.27 = 14,027.39/x
  3. Step 3: Cross multiply
    21,986.02x = 30,339.27 × 14,027.39
  4. Step 4: Simplify right side
    21,986.02x = 425,580,772.61
  5. Step 5: Solve for x
    x = 425,580,772.61/21,986.02
  6. Step 6: Final answer
    x = 19,356.88

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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.