Home / 28,998.90-43,512.30-14,199.75

Finding the Fourth Proportional to 28,998.90, 43,512.30 and 14,199.75

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Solution

The fourth proportional to 28,998.90, 43,512.30 and 14,199.75 is: 21,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.90 : 43,512.30 = 14,199.75 : x
  2. Step 2: Convert to fraction form
    28,998.90/43,512.30 = 14,199.75/x
  3. Step 3: Cross multiply
    28,998.90x = 43,512.30 × 14,199.75
  4. Step 4: Simplify right side
    28,998.90x = 617,863,781.93
  5. Step 5: Solve for x
    x = 617,863,781.93/28,998.90
  6. Step 6: Final answer
    x = 21,306.46

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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.