Home / 28,527.60-39,366.09-16,590.09

Finding the Fourth Proportional to 28,527.60, 39,366.09 and 16,590.09

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Solution

The fourth proportional to 28,527.60, 39,366.09 and 16,590.09 is: 22,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.60 : 39,366.09 = 16,590.09 : x
  2. Step 2: Convert to fraction form
    28,527.60/39,366.09 = 16,590.09/x
  3. Step 3: Cross multiply
    28,527.60x = 39,366.09 × 16,590.09
  4. Step 4: Simplify right side
    28,527.60x = 653,086,976.05
  5. Step 5: Solve for x
    x = 653,086,976.05/28,527.60
  6. Step 6: Final answer
    x = 22,893.16

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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.