Home / 28,063.41-38,731.22-19,560.03

Finding the Fourth Proportional to 28,063.41, 38,731.22 and 19,560.03

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Solution

The fourth proportional to 28,063.41, 38,731.22 and 19,560.03 is: 26,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.41 : 38,731.22 = 19,560.03 : x
  2. Step 2: Convert to fraction form
    28,063.41/38,731.22 = 19,560.03/x
  3. Step 3: Cross multiply
    28,063.41x = 38,731.22 × 19,560.03
  4. Step 4: Simplify right side
    28,063.41x = 757,583,825.14
  5. Step 5: Solve for x
    x = 757,583,825.14/28,063.41
  6. Step 6: Final answer
    x = 26,995.43

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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.