Home / 28,889.24-43,337.51-9,917.57

Finding the Fourth Proportional to 28,889.24, 43,337.51 and 9,917.57

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Solution

The fourth proportional to 28,889.24, 43,337.51 and 9,917.57 is: 14,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.24 : 43,337.51 = 9,917.57 : x
  2. Step 2: Convert to fraction form
    28,889.24/43,337.51 = 9,917.57/x
  3. Step 3: Cross multiply
    28,889.24x = 43,337.51 × 9,917.57
  4. Step 4: Simplify right side
    28,889.24x = 429,802,789.05
  5. Step 5: Solve for x
    x = 429,802,789.05/28,889.24
  6. Step 6: Final answer
    x = 14,877.61

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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.