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Finding the Fourth Proportional to 28,858.30, 43,293.30 and 16,384.30

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Solution

The fourth proportional to 28,858.30, 43,293.30 and 16,384.30 is: 24,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.30 : 43,293.30 = 16,384.30 : x
  2. Step 2: Convert to fraction form
    28,858.30/43,293.30 = 16,384.30/x
  3. Step 3: Cross multiply
    28,858.30x = 43,293.30 × 16,384.30
  4. Step 4: Simplify right side
    28,858.30x = 709,330,415.19
  5. Step 5: Solve for x
    x = 709,330,415.19/28,858.30
  6. Step 6: Final answer
    x = 24,579.77

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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.