Home / 40,507.86-60,761.61-10,928.70

Finding the Fourth Proportional to 40,507.86, 60,761.61 and 10,928.70

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Solution

The fourth proportional to 40,507.86, 60,761.61 and 10,928.70 is: 16,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,507.86 : 60,761.61 = 10,928.70 : x
  2. Step 2: Convert to fraction form
    40,507.86/60,761.61 = 10,928.70/x
  3. Step 3: Cross multiply
    40,507.86x = 60,761.61 × 10,928.70
  4. Step 4: Simplify right side
    40,507.86x = 664,045,407.21
  5. Step 5: Solve for x
    x = 664,045,407.21/40,507.86
  6. Step 6: Final answer
    x = 16,393.00

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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.