Home / 26,641.04-39,977.40-11,850.80

Finding the Fourth Proportional to 26,641.04, 39,977.40 and 11,850.80

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Solution

The fourth proportional to 26,641.04, 39,977.40 and 11,850.80 is: 17,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.04 : 39,977.40 = 11,850.80 : x
  2. Step 2: Convert to fraction form
    26,641.04/39,977.40 = 11,850.80/x
  3. Step 3: Cross multiply
    26,641.04x = 39,977.40 × 11,850.80
  4. Step 4: Simplify right side
    26,641.04x = 473,764,171.92
  5. Step 5: Solve for x
    x = 473,764,171.92/26,641.04
  6. Step 6: Final answer
    x = 17,783.25

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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.