Home / 27,111.85-40,666.58-7,390.41

Finding the Fourth Proportional to 27,111.85, 40,666.58 and 7,390.41

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Solution

The fourth proportional to 27,111.85, 40,666.58 and 7,390.41 is: 11,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.85 : 40,666.58 = 7,390.41 : x
  2. Step 2: Convert to fraction form
    27,111.85/40,666.58 = 7,390.41/x
  3. Step 3: Cross multiply
    27,111.85x = 40,666.58 × 7,390.41
  4. Step 4: Simplify right side
    27,111.85x = 300,542,699.50
  5. Step 5: Solve for x
    x = 300,542,699.50/27,111.85
  6. Step 6: Final answer
    x = 11,085.29

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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.