Home / 26,481.68-39,720.48-12,444.79

Finding the Fourth Proportional to 26,481.68, 39,720.48 and 12,444.79

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Solution

The fourth proportional to 26,481.68, 39,720.48 and 12,444.79 is: 18,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.68 : 39,720.48 = 12,444.79 : x
  2. Step 2: Convert to fraction form
    26,481.68/39,720.48 = 12,444.79/x
  3. Step 3: Cross multiply
    26,481.68x = 39,720.48 × 12,444.79
  4. Step 4: Simplify right side
    26,481.68x = 494,312,960.81
  5. Step 5: Solve for x
    x = 494,312,960.81/26,481.68
  6. Step 6: Final answer
    x = 18,666.22

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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.