Home / 28,395.96-42,620.16-14,365.86

Finding the Fourth Proportional to 28,395.96, 42,620.16 and 14,365.86

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Solution

The fourth proportional to 28,395.96, 42,620.16 and 14,365.86 is: 21,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.96 : 42,620.16 = 14,365.86 : x
  2. Step 2: Convert to fraction form
    28,395.96/42,620.16 = 14,365.86/x
  3. Step 3: Cross multiply
    28,395.96x = 42,620.16 × 14,365.86
  4. Step 4: Simplify right side
    28,395.96x = 612,275,251.74
  5. Step 5: Solve for x
    x = 612,275,251.74/28,395.96
  6. Step 6: Final answer
    x = 21,562.06

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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.