Home / 28,025.69-38,678.15-17,827.43

Finding the Fourth Proportional to 28,025.69, 38,678.15 and 17,827.43

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Solution

The fourth proportional to 28,025.69, 38,678.15 and 17,827.43 is: 24,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.69 : 38,678.15 = 17,827.43 : x
  2. Step 2: Convert to fraction form
    28,025.69/38,678.15 = 17,827.43/x
  3. Step 3: Cross multiply
    28,025.69x = 38,678.15 × 17,827.43
  4. Step 4: Simplify right side
    28,025.69x = 689,531,729.13
  5. Step 5: Solve for x
    x = 689,531,729.13/28,025.69
  6. Step 6: Final answer
    x = 24,603.56

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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.