Home / 28,898.28-43,348.92-9,178.38

Finding the Fourth Proportional to 28,898.28, 43,348.92 and 9,178.38

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Solution

The fourth proportional to 28,898.28, 43,348.92 and 9,178.38 is: 13,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.28 : 43,348.92 = 9,178.38 : x
  2. Step 2: Convert to fraction form
    28,898.28/43,348.92 = 9,178.38/x
  3. Step 3: Cross multiply
    28,898.28x = 43,348.92 × 9,178.38
  4. Step 4: Simplify right side
    28,898.28x = 397,872,814.46
  5. Step 5: Solve for x
    x = 397,872,814.46/28,898.28
  6. Step 6: Final answer
    x = 13,768.04

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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.