Home / 26,581.55-39,860.15-9,929.39

Finding the Fourth Proportional to 26,581.55, 39,860.15 and 9,929.39

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Solution

The fourth proportional to 26,581.55, 39,860.15 and 9,929.39 is: 14,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.55 : 39,860.15 = 9,929.39 : x
  2. Step 2: Convert to fraction form
    26,581.55/39,860.15 = 9,929.39/x
  3. Step 3: Cross multiply
    26,581.55x = 39,860.15 × 9,929.39
  4. Step 4: Simplify right side
    26,581.55x = 395,786,725.86
  5. Step 5: Solve for x
    x = 395,786,725.86/26,581.55
  6. Step 6: Final answer
    x = 14,889.53

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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.