Home / 20,741.25-28,633.14-14,372.67

Finding the Fourth Proportional to 20,741.25, 28,633.14 and 14,372.67

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Solution

The fourth proportional to 20,741.25, 28,633.14 and 14,372.67 is: 19,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.25 : 28,633.14 = 14,372.67 : x
  2. Step 2: Convert to fraction form
    20,741.25/28,633.14 = 14,372.67/x
  3. Step 3: Cross multiply
    20,741.25x = 28,633.14 × 14,372.67
  4. Step 4: Simplify right side
    20,741.25x = 411,534,672.28
  5. Step 5: Solve for x
    x = 411,534,672.28/20,741.25
  6. Step 6: Final answer
    x = 19,841.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.