Home / 17,657.58-26,416.53-13,677.42

Finding the Fourth Proportional to 17,657.58, 26,416.53 and 13,677.42

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Solution

The fourth proportional to 17,657.58, 26,416.53 and 13,677.42 is: 20,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.58 : 26,416.53 = 13,677.42 : x
  2. Step 2: Convert to fraction form
    17,657.58/26,416.53 = 13,677.42/x
  3. Step 3: Cross multiply
    17,657.58x = 26,416.53 × 13,677.42
  4. Step 4: Simplify right side
    17,657.58x = 361,309,975.75
  5. Step 5: Solve for x
    x = 361,309,975.75/17,657.58
  6. Step 6: Final answer
    x = 20,462.03

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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.