Home / 28,783.35-43,167.74-11,253.33

Finding the Fourth Proportional to 28,783.35, 43,167.74 and 11,253.33

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Solution

The fourth proportional to 28,783.35, 43,167.74 and 11,253.33 is: 16,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.35 : 43,167.74 = 11,253.33 : x
  2. Step 2: Convert to fraction form
    28,783.35/43,167.74 = 11,253.33/x
  3. Step 3: Cross multiply
    28,783.35x = 43,167.74 × 11,253.33
  4. Step 4: Simplify right side
    28,783.35x = 485,780,767.31
  5. Step 5: Solve for x
    x = 485,780,767.31/28,783.35
  6. Step 6: Final answer
    x = 16,877.14

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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.