Home / 19,628.52-29,442.80-7,941.84

Finding the Fourth Proportional to 19,628.52, 29,442.80 and 7,941.84

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Solution

The fourth proportional to 19,628.52, 29,442.80 and 7,941.84 is: 11,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.52 : 29,442.80 = 7,941.84 : x
  2. Step 2: Convert to fraction form
    19,628.52/29,442.80 = 7,941.84/x
  3. Step 3: Cross multiply
    19,628.52x = 29,442.80 × 7,941.84
  4. Step 4: Simplify right side
    19,628.52x = 233,830,006.75
  5. Step 5: Solve for x
    x = 233,830,006.75/19,628.52
  6. Step 6: Final answer
    x = 11,912.77

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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.