Home / 28,800.03-43,200.08-18,983.15

Finding the Fourth Proportional to 28,800.03, 43,200.08 and 18,983.15

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Solution

The fourth proportional to 28,800.03, 43,200.08 and 18,983.15 is: 28,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.03 : 43,200.08 = 18,983.15 : x
  2. Step 2: Convert to fraction form
    28,800.03/43,200.08 = 18,983.15/x
  3. Step 3: Cross multiply
    28,800.03x = 43,200.08 × 18,983.15
  4. Step 4: Simplify right side
    28,800.03x = 820,073,287.74
  5. Step 5: Solve for x
    x = 820,073,287.74/28,800.03
  6. Step 6: Final answer
    x = 28,474.74

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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.