Home / 28,497.22-39,318.14-16,397.06

Finding the Fourth Proportional to 28,497.22, 39,318.14 and 16,397.06

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Solution

The fourth proportional to 28,497.22, 39,318.14 and 16,397.06 is: 22,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.22 : 39,318.14 = 16,397.06 : x
  2. Step 2: Convert to fraction form
    28,497.22/39,318.14 = 16,397.06/x
  3. Step 3: Cross multiply
    28,497.22x = 39,318.14 × 16,397.06
  4. Step 4: Simplify right side
    28,497.22x = 644,701,745.07
  5. Step 5: Solve for x
    x = 644,701,745.07/28,497.22
  6. Step 6: Final answer
    x = 22,623.32

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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.