Home / 28,771.23-43,161.09-14,739.19

Finding the Fourth Proportional to 28,771.23, 43,161.09 and 14,739.19

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Solution

The fourth proportional to 28,771.23, 43,161.09 and 14,739.19 is: 22,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.23 : 43,161.09 = 14,739.19 : x
  2. Step 2: Convert to fraction form
    28,771.23/43,161.09 = 14,739.19/x
  3. Step 3: Cross multiply
    28,771.23x = 43,161.09 × 14,739.19
  4. Step 4: Simplify right side
    28,771.23x = 636,159,506.12
  5. Step 5: Solve for x
    x = 636,159,506.12/28,771.23
  6. Step 6: Final answer
    x = 22,110.96

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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.