Home / 28,669.52-39,576.48-16,728.32

Finding the Fourth Proportional to 28,669.52, 39,576.48 and 16,728.32

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Solution

The fourth proportional to 28,669.52, 39,576.48 and 16,728.32 is: 23,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.52 : 39,576.48 = 16,728.32 : x
  2. Step 2: Convert to fraction form
    28,669.52/39,576.48 = 16,728.32/x
  3. Step 3: Cross multiply
    28,669.52x = 39,576.48 × 16,728.32
  4. Step 4: Simplify right side
    28,669.52x = 662,048,021.91
  5. Step 5: Solve for x
    x = 662,048,021.91/28,669.52
  6. Step 6: Final answer
    x = 23,092.40

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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.