Home / 28,246.68-42,342.44-13,451.64

Finding the Fourth Proportional to 28,246.68, 42,342.44 and 13,451.64

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Solution

The fourth proportional to 28,246.68, 42,342.44 and 13,451.64 is: 20,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.68 : 42,342.44 = 13,451.64 : x
  2. Step 2: Convert to fraction form
    28,246.68/42,342.44 = 13,451.64/x
  3. Step 3: Cross multiply
    28,246.68x = 42,342.44 × 13,451.64
  4. Step 4: Simplify right side
    28,246.68x = 569,575,259.60
  5. Step 5: Solve for x
    x = 569,575,259.60/28,246.68
  6. Step 6: Final answer
    x = 20,164.33

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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.