Home / 28,237.59-42,302.92-18,849.30

Finding the Fourth Proportional to 28,237.59, 42,302.92 and 18,849.30

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Solution

The fourth proportional to 28,237.59, 42,302.92 and 18,849.30 is: 28,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.59 : 42,302.92 = 18,849.30 : x
  2. Step 2: Convert to fraction form
    28,237.59/42,302.92 = 18,849.30/x
  3. Step 3: Cross multiply
    28,237.59x = 42,302.92 × 18,849.30
  4. Step 4: Simplify right side
    28,237.59x = 797,380,429.96
  5. Step 5: Solve for x
    x = 797,380,429.96/28,237.59
  6. Step 6: Final answer
    x = 28,238.26

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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.