Home / 28,026.15-38,674.94-17,940.39

Finding the Fourth Proportional to 28,026.15, 38,674.94 and 17,940.39

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Solution

The fourth proportional to 28,026.15, 38,674.94 and 17,940.39 is: 24,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.15 : 38,674.94 = 17,940.39 : x
  2. Step 2: Convert to fraction form
    28,026.15/38,674.94 = 17,940.39/x
  3. Step 3: Cross multiply
    28,026.15x = 38,674.94 × 17,940.39
  4. Step 4: Simplify right side
    28,026.15x = 693,843,417.12
  5. Step 5: Solve for x
    x = 693,843,417.12/28,026.15
  6. Step 6: Final answer
    x = 24,757.00

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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.