Home / 28,107.84-42,157.50-10,573.59

Finding the Fourth Proportional to 28,107.84, 42,157.50 and 10,573.59

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Solution

The fourth proportional to 28,107.84, 42,157.50 and 10,573.59 is: 15,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.84 : 42,157.50 = 10,573.59 : x
  2. Step 2: Convert to fraction form
    28,107.84/42,157.50 = 10,573.59/x
  3. Step 3: Cross multiply
    28,107.84x = 42,157.50 × 10,573.59
  4. Step 4: Simplify right side
    28,107.84x = 445,756,120.43
  5. Step 5: Solve for x
    x = 445,756,120.43/28,107.84
  6. Step 6: Final answer
    x = 15,858.78

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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.