Home / 28,743.36-39,653.42-16,472.24

Finding the Fourth Proportional to 28,743.36, 39,653.42 and 16,472.24

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Solution

The fourth proportional to 28,743.36, 39,653.42 and 16,472.24 is: 22,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.36 : 39,653.42 = 16,472.24 : x
  2. Step 2: Convert to fraction form
    28,743.36/39,653.42 = 16,472.24/x
  3. Step 3: Cross multiply
    28,743.36x = 39,653.42 × 16,472.24
  4. Step 4: Simplify right side
    28,743.36x = 653,180,651.06
  5. Step 5: Solve for x
    x = 653,180,651.06/28,743.36
  6. Step 6: Final answer
    x = 22,724.58

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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.