Home / 26,483.28-39,733.56-12,630.48

Finding the Fourth Proportional to 26,483.28, 39,733.56 and 12,630.48

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Solution

The fourth proportional to 26,483.28, 39,733.56 and 12,630.48 is: 18,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.28 : 39,733.56 = 12,630.48 : x
  2. Step 2: Convert to fraction form
    26,483.28/39,733.56 = 12,630.48/x
  3. Step 3: Cross multiply
    26,483.28x = 39,733.56 × 12,630.48
  4. Step 4: Simplify right side
    26,483.28x = 501,853,934.91
  5. Step 5: Solve for x
    x = 501,853,934.91/26,483.28
  6. Step 6: Final answer
    x = 18,949.84

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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.