Home / 28,204.30-42,299.70-16,332.40

Finding the Fourth Proportional to 28,204.30, 42,299.70 and 16,332.40

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Solution

The fourth proportional to 28,204.30, 42,299.70 and 16,332.40 is: 24,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.30 : 42,299.70 = 16,332.40 : x
  2. Step 2: Convert to fraction form
    28,204.30/42,299.70 = 16,332.40/x
  3. Step 3: Cross multiply
    28,204.30x = 42,299.70 × 16,332.40
  4. Step 4: Simplify right side
    28,204.30x = 690,855,620.28
  5. Step 5: Solve for x
    x = 690,855,620.28/28,204.30
  6. Step 6: Final answer
    x = 24,494.69

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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.