Home / 28,874.88-43,288.02-14,076.18

Finding the Fourth Proportional to 28,874.88, 43,288.02 and 14,076.18

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Solution

The fourth proportional to 28,874.88, 43,288.02 and 14,076.18 is: 21,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.88 : 43,288.02 = 14,076.18 : x
  2. Step 2: Convert to fraction form
    28,874.88/43,288.02 = 14,076.18/x
  3. Step 3: Cross multiply
    28,874.88x = 43,288.02 × 14,076.18
  4. Step 4: Simplify right side
    28,874.88x = 609,329,961.36
  5. Step 5: Solve for x
    x = 609,329,961.36/28,874.88
  6. Step 6: Final answer
    x = 21,102.42

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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.