Home / 28,911.46-43,346.10-19,528.19

Finding the Fourth Proportional to 28,911.46, 43,346.10 and 19,528.19

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Solution

The fourth proportional to 28,911.46, 43,346.10 and 19,528.19 is: 29,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.46 : 43,346.10 = 19,528.19 : x
  2. Step 2: Convert to fraction form
    28,911.46/43,346.10 = 19,528.19/x
  3. Step 3: Cross multiply
    28,911.46x = 43,346.10 × 19,528.19
  4. Step 4: Simplify right side
    28,911.46x = 846,470,876.56
  5. Step 5: Solve for x
    x = 846,470,876.56/28,911.46
  6. Step 6: Final answer
    x = 29,278.04

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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.