Home / 21,928.89-30,238.50-17,675.49

Finding the Fourth Proportional to 21,928.89, 30,238.50 and 17,675.49

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Solution

The fourth proportional to 21,928.89, 30,238.50 and 17,675.49 is: 24,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.89 : 30,238.50 = 17,675.49 : x
  2. Step 2: Convert to fraction form
    21,928.89/30,238.50 = 17,675.49/x
  3. Step 3: Cross multiply
    21,928.89x = 30,238.50 × 17,675.49
  4. Step 4: Simplify right side
    21,928.89x = 534,480,304.37
  5. Step 5: Solve for x
    x = 534,480,304.37/21,928.89
  6. Step 6: Final answer
    x = 24,373.34

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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.