Home / 28,300.44-39,057.06-15,726

Finding the Fourth Proportional to 28,300.44, 39,057.06 and 15,726

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Solution

The fourth proportional to 28,300.44, 39,057.06 and 15,726 is: 21,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.44 : 39,057.06 = 15,726 : x
  2. Step 2: Convert to fraction form
    28,300.44/39,057.06 = 15,726/x
  3. Step 3: Cross multiply
    28,300.44x = 39,057.06 × 15,726
  4. Step 4: Simplify right side
    28,300.44x = 614,211,325.56
  5. Step 5: Solve for x
    x = 614,211,325.56/28,300.44
  6. Step 6: Final answer
    x = 21,703.24

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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.