Home / 43,523.86-65,285.78-28,729.32

Finding the Fourth Proportional to 43,523.86, 65,285.78 and 28,729.32

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Solution

The fourth proportional to 43,523.86, 65,285.78 and 28,729.32 is: 43,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,523.86 : 65,285.78 = 28,729.32 : x
  2. Step 2: Convert to fraction form
    43,523.86/65,285.78 = 28,729.32/x
  3. Step 3: Cross multiply
    43,523.86x = 65,285.78 × 28,729.32
  4. Step 4: Simplify right side
    43,523.86x = 1,875,616,065.07
  5. Step 5: Solve for x
    x = 1,875,616,065.07/43,523.86
  6. Step 6: Final answer
    x = 43,093.97

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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.