Home / 26,507.92-39,763.08-18,751.36

Finding the Fourth Proportional to 26,507.92, 39,763.08 and 18,751.36

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Solution

The fourth proportional to 26,507.92, 39,763.08 and 18,751.36 is: 28,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.92 : 39,763.08 = 18,751.36 : x
  2. Step 2: Convert to fraction form
    26,507.92/39,763.08 = 18,751.36/x
  3. Step 3: Cross multiply
    26,507.92x = 39,763.08 × 18,751.36
  4. Step 4: Simplify right side
    26,507.92x = 745,611,827.79
  5. Step 5: Solve for x
    x = 745,611,827.79/26,507.92
  6. Step 6: Final answer
    x = 28,127.89

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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.