Home / 84,927.09-127,391.10-25,762.82

Finding the Fourth Proportional to 84,927.09, 127,391.10 and 25,762.82

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Solution

The fourth proportional to 84,927.09, 127,391.10 and 25,762.82 is: 38,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.09 : 127,391.10 = 25,762.82 : x
  2. Step 2: Convert to fraction form
    84,927.09/127,391.10 = 25,762.82/x
  3. Step 3: Cross multiply
    84,927.09x = 127,391.10 × 25,762.82
  4. Step 4: Simplify right side
    84,927.09x = 3,281,953,978.90
  5. Step 5: Solve for x
    x = 3,281,953,978.90/84,927.09
  6. Step 6: Final answer
    x = 38,644.37

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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.