Home / 19,728.25-29,592.48-6,580.58

Finding the Fourth Proportional to 19,728.25, 29,592.48 and 6,580.58

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Solution

The fourth proportional to 19,728.25, 29,592.48 and 6,580.58 is: 9,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.25 : 29,592.48 = 6,580.58 : x
  2. Step 2: Convert to fraction form
    19,728.25/29,592.48 = 6,580.58/x
  3. Step 3: Cross multiply
    19,728.25x = 29,592.48 × 6,580.58
  4. Step 4: Simplify right side
    19,728.25x = 194,735,608.06
  5. Step 5: Solve for x
    x = 194,735,608.06/19,728.25
  6. Step 6: Final answer
    x = 9,870.90

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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.