Home / 28,053.03-42,074.74-10,282.75

Finding the Fourth Proportional to 28,053.03, 42,074.74 and 10,282.75

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Solution

The fourth proportional to 28,053.03, 42,074.74 and 10,282.75 is: 15,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.03 : 42,074.74 = 10,282.75 : x
  2. Step 2: Convert to fraction form
    28,053.03/42,074.74 = 10,282.75/x
  3. Step 3: Cross multiply
    28,053.03x = 42,074.74 × 10,282.75
  4. Step 4: Simplify right side
    28,053.03x = 432,643,940.40
  5. Step 5: Solve for x
    x = 432,643,940.40/28,053.03
  6. Step 6: Final answer
    x = 15,422.36

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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.