Home / 28,237.02-42,327.98-13,441.96

Finding the Fourth Proportional to 28,237.02, 42,327.98 and 13,441.96

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Solution

The fourth proportional to 28,237.02, 42,327.98 and 13,441.96 is: 20,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.02 : 42,327.98 = 13,441.96 : x
  2. Step 2: Convert to fraction form
    28,237.02/42,327.98 = 13,441.96/x
  3. Step 3: Cross multiply
    28,237.02x = 42,327.98 × 13,441.96
  4. Step 4: Simplify right side
    28,237.02x = 568,971,014.04
  5. Step 5: Solve for x
    x = 568,971,014.04/28,237.02
  6. Step 6: Final answer
    x = 20,149.83

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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.