Home / 27,372.04-37,794.79-21,420.67

Finding the Fourth Proportional to 27,372.04, 37,794.79 and 21,420.67

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Solution

The fourth proportional to 27,372.04, 37,794.79 and 21,420.67 is: 29,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.04 : 37,794.79 = 21,420.67 : x
  2. Step 2: Convert to fraction form
    27,372.04/37,794.79 = 21,420.67/x
  3. Step 3: Cross multiply
    27,372.04x = 37,794.79 × 21,420.67
  4. Step 4: Simplify right side
    27,372.04x = 809,589,683.37
  5. Step 5: Solve for x
    x = 809,589,683.37/27,372.04
  6. Step 6: Final answer
    x = 29,577.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.