Home / 28,359.37-42,529.13-8,363.55

Finding the Fourth Proportional to 28,359.37, 42,529.13 and 8,363.55

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Solution

The fourth proportional to 28,359.37, 42,529.13 and 8,363.55 is: 12,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.37 : 42,529.13 = 8,363.55 : x
  2. Step 2: Convert to fraction form
    28,359.37/42,529.13 = 8,363.55/x
  3. Step 3: Cross multiply
    28,359.37x = 42,529.13 × 8,363.55
  4. Step 4: Simplify right side
    28,359.37x = 355,694,630.72
  5. Step 5: Solve for x
    x = 355,694,630.72/28,359.37
  6. Step 6: Final answer
    x = 12,542.40

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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.