Home / 43,128.45-64,654.20-16,827.08

Finding the Fourth Proportional to 43,128.45, 64,654.20 and 16,827.08

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Solution

The fourth proportional to 43,128.45, 64,654.20 and 16,827.08 is: 25,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.45 : 64,654.20 = 16,827.08 : x
  2. Step 2: Convert to fraction form
    43,128.45/64,654.20 = 16,827.08/x
  3. Step 3: Cross multiply
    43,128.45x = 64,654.20 × 16,827.08
  4. Step 4: Simplify right side
    43,128.45x = 1,087,941,072.47
  5. Step 5: Solve for x
    x = 1,087,941,072.47/43,128.45
  6. Step 6: Final answer
    x = 25,225.60

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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.