Home / 28,782.53-39,719.73-16,036.27

Finding the Fourth Proportional to 28,782.53, 39,719.73 and 16,036.27

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Solution

The fourth proportional to 28,782.53, 39,719.73 and 16,036.27 is: 22,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.53 : 39,719.73 = 16,036.27 : x
  2. Step 2: Convert to fraction form
    28,782.53/39,719.73 = 16,036.27/x
  3. Step 3: Cross multiply
    28,782.53x = 39,719.73 × 16,036.27
  4. Step 4: Simplify right side
    28,782.53x = 636,956,314.61
  5. Step 5: Solve for x
    x = 636,956,314.61/28,782.53
  6. Step 6: Final answer
    x = 22,129.96

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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.