Home / 28,567.65-42,835.44-19,571.93

Finding the Fourth Proportional to 28,567.65, 42,835.44 and 19,571.93

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Solution

The fourth proportional to 28,567.65, 42,835.44 and 19,571.93 is: 29,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.65 : 42,835.44 = 19,571.93 : x
  2. Step 2: Convert to fraction form
    28,567.65/42,835.44 = 19,571.93/x
  3. Step 3: Cross multiply
    28,567.65x = 42,835.44 × 19,571.93
  4. Step 4: Simplify right side
    28,567.65x = 838,372,092.42
  5. Step 5: Solve for x
    x = 838,372,092.42/28,567.65
  6. Step 6: Final answer
    x = 29,346.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.