Home / 27,320.04-40,999.50-11,742.12

Finding the Fourth Proportional to 27,320.04, 40,999.50 and 11,742.12

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Solution

The fourth proportional to 27,320.04, 40,999.50 and 11,742.12 is: 17,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.04 : 40,999.50 = 11,742.12 : x
  2. Step 2: Convert to fraction form
    27,320.04/40,999.50 = 11,742.12/x
  3. Step 3: Cross multiply
    27,320.04x = 40,999.50 × 11,742.12
  4. Step 4: Simplify right side
    27,320.04x = 481,421,048.94
  5. Step 5: Solve for x
    x = 481,421,048.94/27,320.04
  6. Step 6: Final answer
    x = 17,621.54

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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.