Home / 23,181.40-31,987.98-14,229.28

Finding the Fourth Proportional to 23,181.40, 31,987.98 and 14,229.28

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Solution

The fourth proportional to 23,181.40, 31,987.98 and 14,229.28 is: 19,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.40 : 31,987.98 = 14,229.28 : x
  2. Step 2: Convert to fraction form
    23,181.40/31,987.98 = 14,229.28/x
  3. Step 3: Cross multiply
    23,181.40x = 31,987.98 × 14,229.28
  4. Step 4: Simplify right side
    23,181.40x = 455,165,924.05
  5. Step 5: Solve for x
    x = 455,165,924.05/23,181.40
  6. Step 6: Final answer
    x = 19,634.96

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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.