Home / 28,946.04-43,419.06-8,169.54

Finding the Fourth Proportional to 28,946.04, 43,419.06 and 8,169.54

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Solution

The fourth proportional to 28,946.04, 43,419.06 and 8,169.54 is: 12,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.04 : 43,419.06 = 8,169.54 : x
  2. Step 2: Convert to fraction form
    28,946.04/43,419.06 = 8,169.54/x
  3. Step 3: Cross multiply
    28,946.04x = 43,419.06 × 8,169.54
  4. Step 4: Simplify right side
    28,946.04x = 354,713,876.40
  5. Step 5: Solve for x
    x = 354,713,876.40/28,946.04
  6. Step 6: Final answer
    x = 12,254.31

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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.