Home / 28,953.32-43,345.46-17,826.62

Finding the Fourth Proportional to 28,953.32, 43,345.46 and 17,826.62

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Solution

The fourth proportional to 28,953.32, 43,345.46 and 17,826.62 is: 26,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.32 : 43,345.46 = 17,826.62 : x
  2. Step 2: Convert to fraction form
    28,953.32/43,345.46 = 17,826.62/x
  3. Step 3: Cross multiply
    28,953.32x = 43,345.46 × 17,826.62
  4. Step 4: Simplify right side
    28,953.32x = 772,702,871.98
  5. Step 5: Solve for x
    x = 772,702,871.98/28,953.32
  6. Step 6: Final answer
    x = 26,687.89

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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.