Home / 28,775.04-39,706.71-16,027.79

Finding the Fourth Proportional to 28,775.04, 39,706.71 and 16,027.79

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Solution

The fourth proportional to 28,775.04, 39,706.71 and 16,027.79 is: 22,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.04 : 39,706.71 = 16,027.79 : x
  2. Step 2: Convert to fraction form
    28,775.04/39,706.71 = 16,027.79/x
  3. Step 3: Cross multiply
    28,775.04x = 39,706.71 × 16,027.79
  4. Step 4: Simplify right side
    28,775.04x = 636,410,809.47
  5. Step 5: Solve for x
    x = 636,410,809.47/28,775.04
  6. Step 6: Final answer
    x = 22,116.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.