Home / 28,440.84-39,241.17-17,106.69

Finding the Fourth Proportional to 28,440.84, 39,241.17 and 17,106.69

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Solution

The fourth proportional to 28,440.84, 39,241.17 and 17,106.69 is: 23,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.84 : 39,241.17 = 17,106.69 : x
  2. Step 2: Convert to fraction form
    28,440.84/39,241.17 = 17,106.69/x
  3. Step 3: Cross multiply
    28,440.84x = 39,241.17 × 17,106.69
  4. Step 4: Simplify right side
    28,440.84x = 671,286,530.43
  5. Step 5: Solve for x
    x = 671,286,530.43/28,440.84
  6. Step 6: Final answer
    x = 23,602.91

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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.