Home / 28,486.72-39,289.26-26,576.88

Finding the Fourth Proportional to 28,486.72, 39,289.26 and 26,576.88

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Solution

The fourth proportional to 28,486.72, 39,289.26 and 26,576.88 is: 36,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.72 : 39,289.26 = 26,576.88 : x
  2. Step 2: Convert to fraction form
    28,486.72/39,289.26 = 26,576.88/x
  3. Step 3: Cross multiply
    28,486.72x = 39,289.26 × 26,576.88
  4. Step 4: Simplify right side
    28,486.72x = 1,044,185,751.86
  5. Step 5: Solve for x
    x = 1,044,185,751.86/28,486.72
  6. Step 6: Final answer
    x = 36,655.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.