Home / 28,934.38-43,390.23-10,210.42

Finding the Fourth Proportional to 28,934.38, 43,390.23 and 10,210.42

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Solution

The fourth proportional to 28,934.38, 43,390.23 and 10,210.42 is: 15,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.38 : 43,390.23 = 10,210.42 : x
  2. Step 2: Convert to fraction form
    28,934.38/43,390.23 = 10,210.42/x
  3. Step 3: Cross multiply
    28,934.38x = 43,390.23 × 10,210.42
  4. Step 4: Simplify right side
    28,934.38x = 443,032,472.20
  5. Step 5: Solve for x
    x = 443,032,472.20/28,934.38
  6. Step 6: Final answer
    x = 15,311.63

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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.