Home / 28,352.56-42,437.88-18,843.06

Finding the Fourth Proportional to 28,352.56, 42,437.88 and 18,843.06

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Solution

The fourth proportional to 28,352.56, 42,437.88 and 18,843.06 is: 28,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.56 : 42,437.88 = 18,843.06 : x
  2. Step 2: Convert to fraction form
    28,352.56/42,437.88 = 18,843.06/x
  3. Step 3: Cross multiply
    28,352.56x = 42,437.88 × 18,843.06
  4. Step 4: Simplify right side
    28,352.56x = 799,659,519.11
  5. Step 5: Solve for x
    x = 799,659,519.11/28,352.56
  6. Step 6: Final answer
    x = 28,204.14

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1.5x scale

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.