Home / 21,167.30-29,204.96-16,677.11

Finding the Fourth Proportional to 21,167.30, 29,204.96 and 16,677.11

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Solution

The fourth proportional to 21,167.30, 29,204.96 and 16,677.11 is: 23,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.30 : 29,204.96 = 16,677.11 : x
  2. Step 2: Convert to fraction form
    21,167.30/29,204.96 = 16,677.11/x
  3. Step 3: Cross multiply
    21,167.30x = 29,204.96 × 16,677.11
  4. Step 4: Simplify right side
    21,167.30x = 487,054,101.06
  5. Step 5: Solve for x
    x = 487,054,101.06/21,167.30
  6. Step 6: Final answer
    x = 23,009.75

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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.