Home / 28,533.75-42,820.07-10,065.75

Finding the Fourth Proportional to 28,533.75, 42,820.07 and 10,065.75

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Solution

The fourth proportional to 28,533.75, 42,820.07 and 10,065.75 is: 15,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.75 : 42,820.07 = 10,065.75 : x
  2. Step 2: Convert to fraction form
    28,533.75/42,820.07 = 10,065.75/x
  3. Step 3: Cross multiply
    28,533.75x = 42,820.07 × 10,065.75
  4. Step 4: Simplify right side
    28,533.75x = 431,016,069.27
  5. Step 5: Solve for x
    x = 431,016,069.27/28,533.75
  6. Step 6: Final answer
    x = 15,105.48

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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.