Home / 28,970.12-43,462.47-8,193.62

Finding the Fourth Proportional to 28,970.12, 43,462.47 and 8,193.62

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Solution

The fourth proportional to 28,970.12, 43,462.47 and 8,193.62 is: 12,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.12 : 43,462.47 = 8,193.62 : x
  2. Step 2: Convert to fraction form
    28,970.12/43,462.47 = 8,193.62/x
  3. Step 3: Cross multiply
    28,970.12x = 43,462.47 × 8,193.62
  4. Step 4: Simplify right side
    28,970.12x = 356,114,963.44
  5. Step 5: Solve for x
    x = 356,114,963.44/28,970.12
  6. Step 6: Final answer
    x = 12,292.49

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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.