Home / 28,981.59-43,447.24-12,958.96

Finding the Fourth Proportional to 28,981.59, 43,447.24 and 12,958.96

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Solution

The fourth proportional to 28,981.59, 43,447.24 and 12,958.96 is: 19,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.59 : 43,447.24 = 12,958.96 : x
  2. Step 2: Convert to fraction form
    28,981.59/43,447.24 = 12,958.96/x
  3. Step 3: Cross multiply
    28,981.59x = 43,447.24 × 12,958.96
  4. Step 4: Simplify right side
    28,981.59x = 563,030,763.24
  5. Step 5: Solve for x
    x = 563,030,763.24/28,981.59
  6. Step 6: Final answer
    x = 19,427.19

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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.