Home / 28,184.95-42,273.78-10,652.50

Finding the Fourth Proportional to 28,184.95, 42,273.78 and 10,652.50

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Solution

The fourth proportional to 28,184.95, 42,273.78 and 10,652.50 is: 15,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.95 : 42,273.78 = 10,652.50 : x
  2. Step 2: Convert to fraction form
    28,184.95/42,273.78 = 10,652.50/x
  3. Step 3: Cross multiply
    28,184.95x = 42,273.78 × 10,652.50
  4. Step 4: Simplify right side
    28,184.95x = 450,321,441.45
  5. Step 5: Solve for x
    x = 450,321,441.45/28,184.95
  6. Step 6: Final answer
    x = 15,977.37

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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.