Home / 19,045.45-28,571.48-7,959.92

Finding the Fourth Proportional to 19,045.45, 28,571.48 and 7,959.92

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Solution

The fourth proportional to 19,045.45, 28,571.48 and 7,959.92 is: 11,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.45 : 28,571.48 = 7,959.92 : x
  2. Step 2: Convert to fraction form
    19,045.45/28,571.48 = 7,959.92/x
  3. Step 3: Cross multiply
    19,045.45x = 28,571.48 × 7,959.92
  4. Step 4: Simplify right side
    19,045.45x = 227,426,747.76
  5. Step 5: Solve for x
    x = 227,426,747.76/19,045.45
  6. Step 6: Final answer
    x = 11,941.27

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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.