Home / 29,315.24-43,972.44-7,128.56

Finding the Fourth Proportional to 29,315.24, 43,972.44 and 7,128.56

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Solution

The fourth proportional to 29,315.24, 43,972.44 and 7,128.56 is: 10,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.24 : 43,972.44 = 7,128.56 : x
  2. Step 2: Convert to fraction form
    29,315.24/43,972.44 = 7,128.56/x
  3. Step 3: Cross multiply
    29,315.24x = 43,972.44 × 7,128.56
  4. Step 4: Simplify right side
    29,315.24x = 313,460,176.89
  5. Step 5: Solve for x
    x = 313,460,176.89/29,315.24
  6. Step 6: Final answer
    x = 10,692.74

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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.