Home / 28,763.10-43,155.02-10,045.90

Finding the Fourth Proportional to 28,763.10, 43,155.02 and 10,045.90

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Solution

The fourth proportional to 28,763.10, 43,155.02 and 10,045.90 is: 15,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.10 : 43,155.02 = 10,045.90 : x
  2. Step 2: Convert to fraction form
    28,763.10/43,155.02 = 10,045.90/x
  3. Step 3: Cross multiply
    28,763.10x = 43,155.02 × 10,045.90
  4. Step 4: Simplify right side
    28,763.10x = 433,531,015.42
  5. Step 5: Solve for x
    x = 433,531,015.42/28,763.10
  6. Step 6: Final answer
    x = 15,072.47

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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.