Home / 28,026.12-38,673-15,448.44

Finding the Fourth Proportional to 28,026.12, 38,673 and 15,448.44

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Solution

The fourth proportional to 28,026.12, 38,673 and 15,448.44 is: 21,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.12 : 38,673 = 15,448.44 : x
  2. Step 2: Convert to fraction form
    28,026.12/38,673 = 15,448.44/x
  3. Step 3: Cross multiply
    28,026.12x = 38,673 × 15,448.44
  4. Step 4: Simplify right side
    28,026.12x = 597,437,520.12
  5. Step 5: Solve for x
    x = 597,437,520.12/28,026.12
  6. Step 6: Final answer
    x = 21,317.17

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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.