Home / 43,638.65-65,328.80-26,945.00

Finding the Fourth Proportional to 43,638.65, 65,328.80 and 26,945.00

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Solution

The fourth proportional to 43,638.65, 65,328.80 and 26,945.00 is: 40,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638.65 : 65,328.80 = 26,945.00 : x
  2. Step 2: Convert to fraction form
    43,638.65/65,328.80 = 26,945.00/x
  3. Step 3: Cross multiply
    43,638.65x = 65,328.80 × 26,945.00
  4. Step 4: Simplify right side
    43,638.65x = 1,760,284,054.63
  5. Step 5: Solve for x
    x = 1,760,284,054.63/43,638.65
  6. Step 6: Final answer
    x = 40,337.73

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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.