Home / 28,783.23-43,147.14-14,749.89

Finding the Fourth Proportional to 28,783.23, 43,147.14 and 14,749.89

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Solution

The fourth proportional to 28,783.23, 43,147.14 and 14,749.89 is: 22,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.23 : 43,147.14 = 14,749.89 : x
  2. Step 2: Convert to fraction form
    28,783.23/43,147.14 = 14,749.89/x
  3. Step 3: Cross multiply
    28,783.23x = 43,147.14 × 14,749.89
  4. Step 4: Simplify right side
    28,783.23x = 636,415,568.81
  5. Step 5: Solve for x
    x = 636,415,568.81/28,783.23
  6. Step 6: Final answer
    x = 22,110.64

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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.