Home / 28,251.51-42,376.23-8,529.55

Finding the Fourth Proportional to 28,251.51, 42,376.23 and 8,529.55

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Solution

The fourth proportional to 28,251.51, 42,376.23 and 8,529.55 is: 12,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.51 : 42,376.23 = 8,529.55 : x
  2. Step 2: Convert to fraction form
    28,251.51/42,376.23 = 8,529.55/x
  3. Step 3: Cross multiply
    28,251.51x = 42,376.23 × 8,529.55
  4. Step 4: Simplify right side
    28,251.51x = 361,449,960.72
  5. Step 5: Solve for x
    x = 361,449,960.72/28,251.51
  6. Step 6: Final answer
    x = 12,794.01

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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.