Home / 26,313.81-39,401.87-21,024.51

Finding the Fourth Proportional to 26,313.81, 39,401.87 and 21,024.51

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Solution

The fourth proportional to 26,313.81, 39,401.87 and 21,024.51 is: 31,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.81 : 39,401.87 = 21,024.51 : x
  2. Step 2: Convert to fraction form
    26,313.81/39,401.87 = 21,024.51/x
  3. Step 3: Cross multiply
    26,313.81x = 39,401.87 × 21,024.51
  4. Step 4: Simplify right side
    26,313.81x = 828,404,904.71
  5. Step 5: Solve for x
    x = 828,404,904.71/26,313.81
  6. Step 6: Final answer
    x = 31,481.75

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1.5x scale

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.