Home / 26,830.99-40,241.89-7,111.54

Finding the Fourth Proportional to 26,830.99, 40,241.89 and 7,111.54

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Solution

The fourth proportional to 26,830.99, 40,241.89 and 7,111.54 is: 10,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.99 : 40,241.89 = 7,111.54 : x
  2. Step 2: Convert to fraction form
    26,830.99/40,241.89 = 7,111.54/x
  3. Step 3: Cross multiply
    26,830.99x = 40,241.89 × 7,111.54
  4. Step 4: Simplify right side
    26,830.99x = 286,181,810.41
  5. Step 5: Solve for x
    x = 286,181,810.41/26,830.99
  6. Step 6: Final answer
    x = 10,666.09

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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.