Home / 26,742.48-36,908.48-15,409.81

Finding the Fourth Proportional to 26,742.48, 36,908.48 and 15,409.81

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Solution

The fourth proportional to 26,742.48, 36,908.48 and 15,409.81 is: 21,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.48 : 36,908.48 = 15,409.81 : x
  2. Step 2: Convert to fraction form
    26,742.48/36,908.48 = 15,409.81/x
  3. Step 3: Cross multiply
    26,742.48x = 36,908.48 × 15,409.81
  4. Step 4: Simplify right side
    26,742.48x = 568,752,664.19
  5. Step 5: Solve for x
    x = 568,752,664.19/26,742.48
  6. Step 6: Final answer
    x = 21,267.76

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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.