Home / 38,825.34-58,223.64-13,858.68

Finding the Fourth Proportional to 38,825.34, 58,223.64 and 13,858.68

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Solution

The fourth proportional to 38,825.34, 58,223.64 and 13,858.68 is: 20,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,825.34 : 58,223.64 = 13,858.68 : x
  2. Step 2: Convert to fraction form
    38,825.34/58,223.64 = 13,858.68/x
  3. Step 3: Cross multiply
    38,825.34x = 58,223.64 × 13,858.68
  4. Step 4: Simplify right side
    38,825.34x = 806,902,795.20
  5. Step 5: Solve for x
    x = 806,902,795.20/38,825.34
  6. Step 6: Final answer
    x = 20,782.89

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1.5x scale

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.