Home / 28,529.04-42,791.16-11,200.32

Finding the Fourth Proportional to 28,529.04, 42,791.16 and 11,200.32

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Solution

The fourth proportional to 28,529.04, 42,791.16 and 11,200.32 is: 16,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.04 : 42,791.16 = 11,200.32 : x
  2. Step 2: Convert to fraction form
    28,529.04/42,791.16 = 11,200.32/x
  3. Step 3: Cross multiply
    28,529.04x = 42,791.16 × 11,200.32
  4. Step 4: Simplify right side
    28,529.04x = 479,274,685.17
  5. Step 5: Solve for x
    x = 479,274,685.17/28,529.04
  6. Step 6: Final answer
    x = 16,799.54

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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.