Home / 28,492.56-39,319.43-16,555.79

Finding the Fourth Proportional to 28,492.56, 39,319.43 and 16,555.79

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Solution

The fourth proportional to 28,492.56, 39,319.43 and 16,555.79 is: 22,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.56 : 39,319.43 = 16,555.79 : x
  2. Step 2: Convert to fraction form
    28,492.56/39,319.43 = 16,555.79/x
  3. Step 3: Cross multiply
    28,492.56x = 39,319.43 × 16,555.79
  4. Step 4: Simplify right side
    28,492.56x = 650,964,241.52
  5. Step 5: Solve for x
    x = 650,964,241.52/28,492.56
  6. Step 6: Final answer
    x = 22,846.81

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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.