Home / 26,783.75-40,157.09-11,783.66

Finding the Fourth Proportional to 26,783.75, 40,157.09 and 11,783.66

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Solution

The fourth proportional to 26,783.75, 40,157.09 and 11,783.66 is: 17,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.75 : 40,157.09 = 11,783.66 : x
  2. Step 2: Convert to fraction form
    26,783.75/40,157.09 = 11,783.66/x
  3. Step 3: Cross multiply
    26,783.75x = 40,157.09 × 11,783.66
  4. Step 4: Simplify right side
    26,783.75x = 473,197,235.45
  5. Step 5: Solve for x
    x = 473,197,235.45/26,783.75
  6. Step 6: Final answer
    x = 17,667.33

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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.