Home / 26,497.13-39,764.32-12,457.80

Finding the Fourth Proportional to 26,497.13, 39,764.32 and 12,457.80

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Solution

The fourth proportional to 26,497.13, 39,764.32 and 12,457.80 is: 18,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.13 : 39,764.32 = 12,457.80 : x
  2. Step 2: Convert to fraction form
    26,497.13/39,764.32 = 12,457.80/x
  3. Step 3: Cross multiply
    26,497.13x = 39,764.32 × 12,457.80
  4. Step 4: Simplify right side
    26,497.13x = 495,375,914.55
  5. Step 5: Solve for x
    x = 495,375,914.55/26,497.13
  6. Step 6: Final answer
    x = 18,695.46

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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.