Home / 28,148.03-38,846.91-15,576.83

Finding the Fourth Proportional to 28,148.03, 38,846.91 and 15,576.83

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Solution

The fourth proportional to 28,148.03, 38,846.91 and 15,576.83 is: 21,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.03 : 38,846.91 = 15,576.83 : x
  2. Step 2: Convert to fraction form
    28,148.03/38,846.91 = 15,576.83/x
  3. Step 3: Cross multiply
    28,148.03x = 38,846.91 × 15,576.83
  4. Step 4: Simplify right side
    28,148.03x = 605,111,440.98
  5. Step 5: Solve for x
    x = 605,111,440.98/28,148.03
  6. Step 6: Final answer
    x = 21,497.47

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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.