Home / 26,783.45-40,169.41-10,972.98

Finding the Fourth Proportional to 26,783.45, 40,169.41 and 10,972.98

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Solution

The fourth proportional to 26,783.45, 40,169.41 and 10,972.98 is: 16,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,783.45 : 40,169.41 = 10,972.98 : x
  2. Step 2: Convert to fraction form
    26,783.45/40,169.41 = 10,972.98/x
  3. Step 3: Cross multiply
    26,783.45x = 40,169.41 × 10,972.98
  4. Step 4: Simplify right side
    26,783.45x = 440,778,132.54
  5. Step 5: Solve for x
    x = 440,778,132.54/26,783.45
  6. Step 6: Final answer
    x = 16,457.11

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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.