Home / 43,216.80-64,825.26-28,491.49

Finding the Fourth Proportional to 43,216.80, 64,825.26 and 28,491.49

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Solution

The fourth proportional to 43,216.80, 64,825.26 and 28,491.49 is: 42,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.80 : 64,825.26 = 28,491.49 : x
  2. Step 2: Convert to fraction form
    43,216.80/64,825.26 = 28,491.49/x
  3. Step 3: Cross multiply
    43,216.80x = 64,825.26 × 28,491.49
  4. Step 4: Simplify right side
    43,216.80x = 1,846,968,247.04
  5. Step 5: Solve for x
    x = 1,846,968,247.04/43,216.80
  6. Step 6: Final answer
    x = 42,737.27

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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.