Home / 29,556.79-40,790.02-16,128.27

Finding the Fourth Proportional to 29,556.79, 40,790.02 and 16,128.27

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Solution

The fourth proportional to 29,556.79, 40,790.02 and 16,128.27 is: 22,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.79 : 40,790.02 = 16,128.27 : x
  2. Step 2: Convert to fraction form
    29,556.79/40,790.02 = 16,128.27/x
  3. Step 3: Cross multiply
    29,556.79x = 40,790.02 × 16,128.27
  4. Step 4: Simplify right side
    29,556.79x = 657,872,455.87
  5. Step 5: Solve for x
    x = 657,872,455.87/29,556.79
  6. Step 6: Final answer
    x = 22,257.91

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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.