Home / 26,628.41-36,749.13-15,299.75

Finding the Fourth Proportional to 26,628.41, 36,749.13 and 15,299.75

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Solution

The fourth proportional to 26,628.41, 36,749.13 and 15,299.75 is: 21,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.41 : 36,749.13 = 15,299.75 : x
  2. Step 2: Convert to fraction form
    26,628.41/36,749.13 = 15,299.75/x
  3. Step 3: Cross multiply
    26,628.41x = 36,749.13 × 15,299.75
  4. Step 4: Simplify right side
    26,628.41x = 562,252,501.72
  5. Step 5: Solve for x
    x = 562,252,501.72/26,628.41
  6. Step 6: Final answer
    x = 21,114.76

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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.