Home / 28,029.70-38,681.85-16,095.43

Finding the Fourth Proportional to 28,029.70, 38,681.85 and 16,095.43

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Solution

The fourth proportional to 28,029.70, 38,681.85 and 16,095.43 is: 22,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.70 : 38,681.85 = 16,095.43 : x
  2. Step 2: Convert to fraction form
    28,029.70/38,681.85 = 16,095.43/x
  3. Step 3: Cross multiply
    28,029.70x = 38,681.85 × 16,095.43
  4. Step 4: Simplify right side
    28,029.70x = 622,601,008.95
  5. Step 5: Solve for x
    x = 622,601,008.95/28,029.70
  6. Step 6: Final answer
    x = 22,212.19

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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.