Home / 26,345.26-36,353.89-15,015.38

Finding the Fourth Proportional to 26,345.26, 36,353.89 and 15,015.38

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Solution

The fourth proportional to 26,345.26, 36,353.89 and 15,015.38 is: 20,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.26 : 36,353.89 = 15,015.38 : x
  2. Step 2: Convert to fraction form
    26,345.26/36,353.89 = 15,015.38/x
  3. Step 3: Cross multiply
    26,345.26x = 36,353.89 × 15,015.38
  4. Step 4: Simplify right side
    26,345.26x = 545,867,472.83
  5. Step 5: Solve for x
    x = 545,867,472.83/26,345.26
  6. Step 6: Final answer
    x = 20,719.76

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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.