Home / 19,235.03-28,800.41-9,981.59

Finding the Fourth Proportional to 19,235.03, 28,800.41 and 9,981.59

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Solution

The fourth proportional to 19,235.03, 28,800.41 and 9,981.59 is: 14,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.03 : 28,800.41 = 9,981.59 : x
  2. Step 2: Convert to fraction form
    19,235.03/28,800.41 = 9,981.59/x
  3. Step 3: Cross multiply
    19,235.03x = 28,800.41 × 9,981.59
  4. Step 4: Simplify right side
    19,235.03x = 287,473,690.54
  5. Step 5: Solve for x
    x = 287,473,690.54/19,235.03
  6. Step 6: Final answer
    x = 14,945.32

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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.