Home / 28,747.85-39,671.61-16,001.03

Finding the Fourth Proportional to 28,747.85, 39,671.61 and 16,001.03

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Solution

The fourth proportional to 28,747.85, 39,671.61 and 16,001.03 is: 22,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.85 : 39,671.61 = 16,001.03 : x
  2. Step 2: Convert to fraction form
    28,747.85/39,671.61 = 16,001.03/x
  3. Step 3: Cross multiply
    28,747.85x = 39,671.61 × 16,001.03
  4. Step 4: Simplify right side
    28,747.85x = 634,786,423.40
  5. Step 5: Solve for x
    x = 634,786,423.40/28,747.85
  6. Step 6: Final answer
    x = 22,081.18

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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.