Home / 28,000.23-42,006.57-10,230.86

Finding the Fourth Proportional to 28,000.23, 42,006.57 and 10,230.86

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Solution

The fourth proportional to 28,000.23, 42,006.57 and 10,230.86 is: 15,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.23 : 42,006.57 = 10,230.86 : x
  2. Step 2: Convert to fraction form
    28,000.23/42,006.57 = 10,230.86/x
  3. Step 3: Cross multiply
    28,000.23x = 42,006.57 × 10,230.86
  4. Step 4: Simplify right side
    28,000.23x = 429,763,336.75
  5. Step 5: Solve for x
    x = 429,763,336.75/28,000.23
  6. Step 6: Final answer
    x = 15,348.56

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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.