Home / 28,818.34-43,215.27-11,285.38

Finding the Fourth Proportional to 28,818.34, 43,215.27 and 11,285.38

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Solution

The fourth proportional to 28,818.34, 43,215.27 and 11,285.38 is: 16,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.34 : 43,215.27 = 11,285.38 : x
  2. Step 2: Convert to fraction form
    28,818.34/43,215.27 = 11,285.38/x
  3. Step 3: Cross multiply
    28,818.34x = 43,215.27 × 11,285.38
  4. Step 4: Simplify right side
    28,818.34x = 487,700,743.75
  5. Step 5: Solve for x
    x = 487,700,743.75/28,818.34
  6. Step 6: Final answer
    x = 16,923.28

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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.