Home / 28,580.50-42,877.23-10,112.50

Finding the Fourth Proportional to 28,580.50, 42,877.23 and 10,112.50

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Solution

The fourth proportional to 28,580.50, 42,877.23 and 10,112.50 is: 15,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.50 : 42,877.23 = 10,112.50 : x
  2. Step 2: Convert to fraction form
    28,580.50/42,877.23 = 10,112.50/x
  3. Step 3: Cross multiply
    28,580.50x = 42,877.23 × 10,112.50
  4. Step 4: Simplify right side
    28,580.50x = 433,595,988.38
  5. Step 5: Solve for x
    x = 433,595,988.38/28,580.50
  6. Step 6: Final answer
    x = 15,171.04

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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.