Home / 28,770.28-43,160.48-11,903.24

Finding the Fourth Proportional to 28,770.28, 43,160.48 and 11,903.24

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Solution

The fourth proportional to 28,770.28, 43,160.48 and 11,903.24 is: 17,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.28 : 43,160.48 = 11,903.24 : x
  2. Step 2: Convert to fraction form
    28,770.28/43,160.48 = 11,903.24/x
  3. Step 3: Cross multiply
    28,770.28x = 43,160.48 × 11,903.24
  4. Step 4: Simplify right side
    28,770.28x = 513,749,551.96
  5. Step 5: Solve for x
    x = 513,749,551.96/28,770.28
  6. Step 6: Final answer
    x = 17,856.95

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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.