Home / 19,125.30-28,687.91-5,085.33

Finding the Fourth Proportional to 19,125.30, 28,687.91 and 5,085.33

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Solution

The fourth proportional to 19,125.30, 28,687.91 and 5,085.33 is: 7,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.30 : 28,687.91 = 5,085.33 : x
  2. Step 2: Convert to fraction form
    19,125.30/28,687.91 = 5,085.33/x
  3. Step 3: Cross multiply
    19,125.30x = 28,687.91 × 5,085.33
  4. Step 4: Simplify right side
    19,125.30x = 145,887,418.15
  5. Step 5: Solve for x
    x = 145,887,418.15/19,125.30
  6. Step 6: Final answer
    x = 7,627.98

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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.