Home / 42,198.96-63,284.40-15,538.80

Finding the Fourth Proportional to 42,198.96, 63,284.40 and 15,538.80

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Solution

The fourth proportional to 42,198.96, 63,284.40 and 15,538.80 is: 23,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.96 : 63,284.40 = 15,538.80 : x
  2. Step 2: Convert to fraction form
    42,198.96/63,284.40 = 15,538.80/x
  3. Step 3: Cross multiply
    42,198.96x = 63,284.40 × 15,538.80
  4. Step 4: Simplify right side
    42,198.96x = 983,363,634.72
  5. Step 5: Solve for x
    x = 983,363,634.72/42,198.96
  6. Step 6: Final answer
    x = 23,303.03

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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.