Home / 26,543.96-39,770.78-13,199.24

Finding the Fourth Proportional to 26,543.96, 39,770.78 and 13,199.24

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Solution

The fourth proportional to 26,543.96, 39,770.78 and 13,199.24 is: 19,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.96 : 39,770.78 = 13,199.24 : x
  2. Step 2: Convert to fraction form
    26,543.96/39,770.78 = 13,199.24/x
  3. Step 3: Cross multiply
    26,543.96x = 39,770.78 × 13,199.24
  4. Step 4: Simplify right side
    26,543.96x = 524,944,070.21
  5. Step 5: Solve for x
    x = 524,944,070.21/26,543.96
  6. Step 6: Final answer
    x = 19,776.40

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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.