Home / 28,558.17-42,836.95-11,015.70

Finding the Fourth Proportional to 28,558.17, 42,836.95 and 11,015.70

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Solution

The fourth proportional to 28,558.17, 42,836.95 and 11,015.70 is: 16,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558.17 : 42,836.95 = 11,015.70 : x
  2. Step 2: Convert to fraction form
    28,558.17/42,836.95 = 11,015.70/x
  3. Step 3: Cross multiply
    28,558.17x = 42,836.95 × 11,015.70
  4. Step 4: Simplify right side
    28,558.17x = 471,878,843.25
  5. Step 5: Solve for x
    x = 471,878,843.25/28,558.17
  6. Step 6: Final answer
    x = 16,523.43

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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.