Home / 27,220.48-40,829.76-8,752

Finding the Fourth Proportional to 27,220.48, 40,829.76 and 8,752

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Solution

The fourth proportional to 27,220.48, 40,829.76 and 8,752 is: 13,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.48 : 40,829.76 = 8,752 : x
  2. Step 2: Convert to fraction form
    27,220.48/40,829.76 = 8,752/x
  3. Step 3: Cross multiply
    27,220.48x = 40,829.76 × 8,752
  4. Step 4: Simplify right side
    27,220.48x = 357,342,059.52
  5. Step 5: Solve for x
    x = 357,342,059.52/27,220.48
  6. Step 6: Final answer
    x = 13,127.69

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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.