Home / 26,672.91-36,815.75-15,343.65

Finding the Fourth Proportional to 26,672.91, 36,815.75 and 15,343.65

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Solution

The fourth proportional to 26,672.91, 36,815.75 and 15,343.65 is: 21,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.91 : 36,815.75 = 15,343.65 : x
  2. Step 2: Convert to fraction form
    26,672.91/36,815.75 = 15,343.65/x
  3. Step 3: Cross multiply
    26,672.91x = 36,815.75 × 15,343.65
  4. Step 4: Simplify right side
    26,672.91x = 564,887,905.77
  5. Step 5: Solve for x
    x = 564,887,905.77/26,672.91
  6. Step 6: Final answer
    x = 21,178.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.