Home / 26,522.07-39,780.99-15,421.68

Finding the Fourth Proportional to 26,522.07, 39,780.99 and 15,421.68

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Solution

The fourth proportional to 26,522.07, 39,780.99 and 15,421.68 is: 23,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.07 : 39,780.99 = 15,421.68 : x
  2. Step 2: Convert to fraction form
    26,522.07/39,780.99 = 15,421.68/x
  3. Step 3: Cross multiply
    26,522.07x = 39,780.99 × 15,421.68
  4. Step 4: Simplify right side
    26,522.07x = 613,489,697.86
  5. Step 5: Solve for x
    x = 613,489,697.86/26,522.07
  6. Step 6: Final answer
    x = 23,131.29

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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.