Home / 27,314.34-40,975.82-9,783.78

Finding the Fourth Proportional to 27,314.34, 40,975.82 and 9,783.78

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Solution

The fourth proportional to 27,314.34, 40,975.82 and 9,783.78 is: 14,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.34 : 40,975.82 = 9,783.78 : x
  2. Step 2: Convert to fraction form
    27,314.34/40,975.82 = 9,783.78/x
  3. Step 3: Cross multiply
    27,314.34x = 40,975.82 × 9,783.78
  4. Step 4: Simplify right side
    27,314.34x = 400,898,408.20
  5. Step 5: Solve for x
    x = 400,898,408.20/27,314.34
  6. Step 6: Final answer
    x = 14,677.21

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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.