Home / 19,928.36-29,885.54-5,884.64

Finding the Fourth Proportional to 19,928.36, 29,885.54 and 5,884.64

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Solution

The fourth proportional to 19,928.36, 29,885.54 and 5,884.64 is: 8,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.36 : 29,885.54 = 5,884.64 : x
  2. Step 2: Convert to fraction form
    19,928.36/29,885.54 = 5,884.64/x
  3. Step 3: Cross multiply
    19,928.36x = 29,885.54 × 5,884.64
  4. Step 4: Simplify right side
    19,928.36x = 175,865,644.11
  5. Step 5: Solve for x
    x = 175,865,644.11/19,928.36
  6. Step 6: Final answer
    x = 8,824.89

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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.