Home / 28,818.02-39,769.11-16,072.02

Finding the Fourth Proportional to 28,818.02, 39,769.11 and 16,072.02

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Solution

The fourth proportional to 28,818.02, 39,769.11 and 16,072.02 is: 22,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.02 : 39,769.11 = 16,072.02 : x
  2. Step 2: Convert to fraction form
    28,818.02/39,769.11 = 16,072.02/x
  3. Step 3: Cross multiply
    28,818.02x = 39,769.11 × 16,072.02
  4. Step 4: Simplify right side
    28,818.02x = 639,169,931.30
  5. Step 5: Solve for x
    x = 639,169,931.30/28,818.02
  6. Step 6: Final answer
    x = 22,179.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.