Home / 28,675.04-42,996.02-11,124.36

Finding the Fourth Proportional to 28,675.04, 42,996.02 and 11,124.36

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Solution

The fourth proportional to 28,675.04, 42,996.02 and 11,124.36 is: 16,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.04 : 42,996.02 = 11,124.36 : x
  2. Step 2: Convert to fraction form
    28,675.04/42,996.02 = 11,124.36/x
  3. Step 3: Cross multiply
    28,675.04x = 42,996.02 × 11,124.36
  4. Step 4: Simplify right side
    28,675.04x = 478,303,149.43
  5. Step 5: Solve for x
    x = 478,303,149.43/28,675.04
  6. Step 6: Final answer
    x = 16,680.12

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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.