Home / 21,390.09-32,076.93-14,796.29

Finding the Fourth Proportional to 21,390.09, 32,076.93 and 14,796.29

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Solution

The fourth proportional to 21,390.09, 32,076.93 and 14,796.29 is: 22,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.09 : 32,076.93 = 14,796.29 : x
  2. Step 2: Convert to fraction form
    21,390.09/32,076.93 = 14,796.29/x
  3. Step 3: Cross multiply
    21,390.09x = 32,076.93 × 14,796.29
  4. Step 4: Simplify right side
    21,390.09x = 474,619,398.21
  5. Step 5: Solve for x
    x = 474,619,398.21/21,390.09
  6. Step 6: Final answer
    x = 22,188.75

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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.