Home / 28,388.12-42,583.35-10,616.99

Finding the Fourth Proportional to 28,388.12, 42,583.35 and 10,616.99

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Solution

The fourth proportional to 28,388.12, 42,583.35 and 10,616.99 is: 15,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.12 : 42,583.35 = 10,616.99 : x
  2. Step 2: Convert to fraction form
    28,388.12/42,583.35 = 10,616.99/x
  3. Step 3: Cross multiply
    28,388.12x = 42,583.35 × 10,616.99
  4. Step 4: Simplify right side
    28,388.12x = 452,107,067.54
  5. Step 5: Solve for x
    x = 452,107,067.54/28,388.12
  6. Step 6: Final answer
    x = 15,925.92

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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.