Home / 28,590.24-42,811.50-19,732.89

Finding the Fourth Proportional to 28,590.24, 42,811.50 and 19,732.89

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Solution

The fourth proportional to 28,590.24, 42,811.50 and 19,732.89 is: 29,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.24 : 42,811.50 = 19,732.89 : x
  2. Step 2: Convert to fraction form
    28,590.24/42,811.50 = 19,732.89/x
  3. Step 3: Cross multiply
    28,590.24x = 42,811.50 × 19,732.89
  4. Step 4: Simplify right side
    28,590.24x = 844,794,620.24
  5. Step 5: Solve for x
    x = 844,794,620.24/28,590.24
  6. Step 6: Final answer
    x = 29,548.36

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1.5x scale

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.