Home / 28,933.64-43,403.93-10,209.81

Finding the Fourth Proportional to 28,933.64, 43,403.93 and 10,209.81

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Solution

The fourth proportional to 28,933.64, 43,403.93 and 10,209.81 is: 15,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.64 : 43,403.93 = 10,209.81 : x
  2. Step 2: Convert to fraction form
    28,933.64/43,403.93 = 10,209.81/x
  3. Step 3: Cross multiply
    28,933.64x = 43,403.93 × 10,209.81
  4. Step 4: Simplify right side
    28,933.64x = 443,146,012.59
  5. Step 5: Solve for x
    x = 443,146,012.59/28,933.64
  6. Step 6: Final answer
    x = 15,315.94

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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.