Home / 28,954.04-43,399.20-18,946.76

Finding the Fourth Proportional to 28,954.04, 43,399.20 and 18,946.76

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Solution

The fourth proportional to 28,954.04, 43,399.20 and 18,946.76 is: 28,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.04 : 43,399.20 = 18,946.76 : x
  2. Step 2: Convert to fraction form
    28,954.04/43,399.20 = 18,946.76/x
  3. Step 3: Cross multiply
    28,954.04x = 43,399.20 × 18,946.76
  4. Step 4: Simplify right side
    28,954.04x = 822,274,226.59
  5. Step 5: Solve for x
    x = 822,274,226.59/28,954.04
  6. Step 6: Final answer
    x = 28,399.29

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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.