Home / 28,912.60-43,320.30-23,955.40

Finding the Fourth Proportional to 28,912.60, 43,320.30 and 23,955.40

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Solution

The fourth proportional to 28,912.60, 43,320.30 and 23,955.40 is: 35,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.60 : 43,320.30 = 23,955.40 : x
  2. Step 2: Convert to fraction form
    28,912.60/43,320.30 = 23,955.40/x
  3. Step 3: Cross multiply
    28,912.60x = 43,320.30 × 23,955.40
  4. Step 4: Simplify right side
    28,912.60x = 1,037,755,114.62
  5. Step 5: Solve for x
    x = 1,037,755,114.62/28,912.60
  6. Step 6: Final answer
    x = 35,892.83

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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.