Home / 28,634.76-42,925.50-11,100.84

Finding the Fourth Proportional to 28,634.76, 42,925.50 and 11,100.84

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Solution

The fourth proportional to 28,634.76, 42,925.50 and 11,100.84 is: 16,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.76 : 42,925.50 = 11,100.84 : x
  2. Step 2: Convert to fraction form
    28,634.76/42,925.50 = 11,100.84/x
  3. Step 3: Cross multiply
    28,634.76x = 42,925.50 × 11,100.84
  4. Step 4: Simplify right side
    28,634.76x = 476,509,107.42
  5. Step 5: Solve for x
    x = 476,509,107.42/28,634.76
  6. Step 6: Final answer
    x = 16,640.93

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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.