Home / 26,613.88-39,909.28-14,131.20

Finding the Fourth Proportional to 26,613.88, 39,909.28 and 14,131.20

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Solution

The fourth proportional to 26,613.88, 39,909.28 and 14,131.20 is: 21,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.88 : 39,909.28 = 14,131.20 : x
  2. Step 2: Convert to fraction form
    26,613.88/39,909.28 = 14,131.20/x
  3. Step 3: Cross multiply
    26,613.88x = 39,909.28 × 14,131.20
  4. Step 4: Simplify right side
    26,613.88x = 563,966,017.54
  5. Step 5: Solve for x
    x = 563,966,017.54/26,613.88
  6. Step 6: Final answer
    x = 21,190.67

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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.