Home / 28,646.04-42,960.75-12,005.62

Finding the Fourth Proportional to 28,646.04, 42,960.75 and 12,005.62

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Solution

The fourth proportional to 28,646.04, 42,960.75 and 12,005.62 is: 18,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.04 : 42,960.75 = 12,005.62 : x
  2. Step 2: Convert to fraction form
    28,646.04/42,960.75 = 12,005.62/x
  3. Step 3: Cross multiply
    28,646.04x = 42,960.75 × 12,005.62
  4. Step 4: Simplify right side
    28,646.04x = 515,770,439.42
  5. Step 5: Solve for x
    x = 515,770,439.42/28,646.04
  6. Step 6: Final answer
    x = 18,004.95

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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.