Home / 28,966.64-43,458.60-16,646

Finding the Fourth Proportional to 28,966.64, 43,458.60 and 16,646

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Solution

The fourth proportional to 28,966.64, 43,458.60 and 16,646 is: 24,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.64 : 43,458.60 = 16,646 : x
  2. Step 2: Convert to fraction form
    28,966.64/43,458.60 = 16,646/x
  3. Step 3: Cross multiply
    28,966.64x = 43,458.60 × 16,646
  4. Step 4: Simplify right side
    28,966.64x = 723,411,855.60
  5. Step 5: Solve for x
    x = 723,411,855.60/28,966.64
  6. Step 6: Final answer
    x = 24,973.97

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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.