Home / 26,880.08-40,320.68-9,782.39

Finding the Fourth Proportional to 26,880.08, 40,320.68 and 9,782.39

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Solution

The fourth proportional to 26,880.08, 40,320.68 and 9,782.39 is: 14,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.08 : 40,320.68 = 9,782.39 : x
  2. Step 2: Convert to fraction form
    26,880.08/40,320.68 = 9,782.39/x
  3. Step 3: Cross multiply
    26,880.08x = 40,320.68 × 9,782.39
  4. Step 4: Simplify right side
    26,880.08x = 394,432,366.31
  5. Step 5: Solve for x
    x = 394,432,366.31/26,880.08
  6. Step 6: Final answer
    x = 14,673.78

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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.