Home / 28,852.89-39,816.85-16,105.35

Finding the Fourth Proportional to 28,852.89, 39,816.85 and 16,105.35

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Solution

The fourth proportional to 28,852.89, 39,816.85 and 16,105.35 is: 22,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.89 : 39,816.85 = 16,105.35 : x
  2. Step 2: Convert to fraction form
    28,852.89/39,816.85 = 16,105.35/x
  3. Step 3: Cross multiply
    28,852.89x = 39,816.85 × 16,105.35
  4. Step 4: Simplify right side
    28,852.89x = 641,264,305.15
  5. Step 5: Solve for x
    x = 641,264,305.15/28,852.89
  6. Step 6: Final answer
    x = 22,225.31

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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.