Home / 28,953.41-43,430.00-19,020.84

Finding the Fourth Proportional to 28,953.41, 43,430.00 and 19,020.84

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Solution

The fourth proportional to 28,953.41, 43,430.00 and 19,020.84 is: 28,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.41 : 43,430.00 = 19,020.84 : x
  2. Step 2: Convert to fraction form
    28,953.41/43,430.00 = 19,020.84/x
  3. Step 3: Cross multiply
    28,953.41x = 43,430.00 × 19,020.84
  4. Step 4: Simplify right side
    28,953.41x = 826,074,986.10
  5. Step 5: Solve for x
    x = 826,074,986.10/28,953.41
  6. Step 6: Final answer
    x = 28,531.19

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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.