Home / 28,932.41-39,939.80-16,996.52

Finding the Fourth Proportional to 28,932.41, 39,939.80 and 16,996.52

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Solution

The fourth proportional to 28,932.41, 39,939.80 and 16,996.52 is: 23,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.41 : 39,939.80 = 16,996.52 : x
  2. Step 2: Convert to fraction form
    28,932.41/39,939.80 = 16,996.52/x
  3. Step 3: Cross multiply
    28,932.41x = 39,939.80 × 16,996.52
  4. Step 4: Simplify right side
    28,932.41x = 678,837,324.81
  5. Step 5: Solve for x
    x = 678,837,324.81/28,932.41
  6. Step 6: Final answer
    x = 23,462.87

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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.