Home / 28,593.56-39,459-16,018.28

Finding the Fourth Proportional to 28,593.56, 39,459 and 16,018.28

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Solution

The fourth proportional to 28,593.56, 39,459 and 16,018.28 is: 22,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.56 : 39,459 = 16,018.28 : x
  2. Step 2: Convert to fraction form
    28,593.56/39,459 = 16,018.28/x
  3. Step 3: Cross multiply
    28,593.56x = 39,459 × 16,018.28
  4. Step 4: Simplify right side
    28,593.56x = 632,065,310.52
  5. Step 5: Solve for x
    x = 632,065,310.52/28,593.56
  6. Step 6: Final answer
    x = 22,105.16

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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.