Home / 28,954.96-43,437.84-13,161.12

Finding the Fourth Proportional to 28,954.96, 43,437.84 and 13,161.12

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Solution

The fourth proportional to 28,954.96, 43,437.84 and 13,161.12 is: 19,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.96 : 43,437.84 = 13,161.12 : x
  2. Step 2: Convert to fraction form
    28,954.96/43,437.84 = 13,161.12/x
  3. Step 3: Cross multiply
    28,954.96x = 43,437.84 × 13,161.12
  4. Step 4: Simplify right side
    28,954.96x = 571,690,624.78
  5. Step 5: Solve for x
    x = 571,690,624.78/28,954.96
  6. Step 6: Final answer
    x = 19,744.13

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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.