Home / 21,248.37-31,887.80-14,241.75

Finding the Fourth Proportional to 21,248.37, 31,887.80 and 14,241.75

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Solution

The fourth proportional to 21,248.37, 31,887.80 and 14,241.75 is: 21,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248.37 : 31,887.80 = 14,241.75 : x
  2. Step 2: Convert to fraction form
    21,248.37/31,887.80 = 14,241.75/x
  3. Step 3: Cross multiply
    21,248.37x = 31,887.80 × 14,241.75
  4. Step 4: Simplify right side
    21,248.37x = 454,138,004.44
  5. Step 5: Solve for x
    x = 454,138,004.44/21,248.37
  6. Step 6: Final answer
    x = 21,372.84

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1.5x scale

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.