Home / 28,548.69-42,823.02-11,916.56

Finding the Fourth Proportional to 28,548.69, 42,823.02 and 11,916.56

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Solution

The fourth proportional to 28,548.69, 42,823.02 and 11,916.56 is: 17,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.69 : 42,823.02 = 11,916.56 : x
  2. Step 2: Convert to fraction form
    28,548.69/42,823.02 = 11,916.56/x
  3. Step 3: Cross multiply
    28,548.69x = 42,823.02 × 11,916.56
  4. Step 4: Simplify right side
    28,548.69x = 510,302,873.10
  5. Step 5: Solve for x
    x = 510,302,873.10/28,548.69
  6. Step 6: Final answer
    x = 17,874.83

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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.