Home / 28,608.39-39,471.40-16,507.92

Finding the Fourth Proportional to 28,608.39, 39,471.40 and 16,507.92

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Solution

The fourth proportional to 28,608.39, 39,471.40 and 16,507.92 is: 22,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.39 : 39,471.40 = 16,507.92 : x
  2. Step 2: Convert to fraction form
    28,608.39/39,471.40 = 16,507.92/x
  3. Step 3: Cross multiply
    28,608.39x = 39,471.40 × 16,507.92
  4. Step 4: Simplify right side
    28,608.39x = 651,590,713.49
  5. Step 5: Solve for x
    x = 651,590,713.49/28,608.39
  6. Step 6: Final answer
    x = 22,776.21

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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.