Home / 28,783.35-39,725.43-17,454.69

Finding the Fourth Proportional to 28,783.35, 39,725.43 and 17,454.69

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Solution

The fourth proportional to 28,783.35, 39,725.43 and 17,454.69 is: 24,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.35 : 39,725.43 = 17,454.69 : x
  2. Step 2: Convert to fraction form
    28,783.35/39,725.43 = 17,454.69/x
  3. Step 3: Cross multiply
    28,783.35x = 39,725.43 × 17,454.69
  4. Step 4: Simplify right side
    28,783.35x = 693,395,065.77
  5. Step 5: Solve for x
    x = 693,395,065.77/28,783.35
  6. Step 6: Final answer
    x = 24,090.14

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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.