Home / 28,593.78-39,459.39-16,018.62

Finding the Fourth Proportional to 28,593.78, 39,459.39 and 16,018.62

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Solution

The fourth proportional to 28,593.78, 39,459.39 and 16,018.62 is: 22,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.78 : 39,459.39 = 16,018.62 : x
  2. Step 2: Convert to fraction form
    28,593.78/39,459.39 = 16,018.62/x
  3. Step 3: Cross multiply
    28,593.78x = 39,459.39 × 16,018.62
  4. Step 4: Simplify right side
    28,593.78x = 632,084,973.84
  5. Step 5: Solve for x
    x = 632,084,973.84/28,593.78
  6. Step 6: Final answer
    x = 22,105.68

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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.