Home / 28,849.37-39,796.92-19,881.45

Finding the Fourth Proportional to 28,849.37, 39,796.92 and 19,881.45

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Solution

The fourth proportional to 28,849.37, 39,796.92 and 19,881.45 is: 27,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.37 : 39,796.92 = 19,881.45 : x
  2. Step 2: Convert to fraction form
    28,849.37/39,796.92 = 19,881.45/x
  3. Step 3: Cross multiply
    28,849.37x = 39,796.92 × 19,881.45
  4. Step 4: Simplify right side
    28,849.37x = 791,220,475.13
  5. Step 5: Solve for x
    x = 791,220,475.13/28,849.37
  6. Step 6: Final answer
    x = 27,425.92

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1.5x scale

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.