Home / 26,805.76-40,208.32-11,214.88

Finding the Fourth Proportional to 26,805.76, 40,208.32 and 11,214.88

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Solution

The fourth proportional to 26,805.76, 40,208.32 and 11,214.88 is: 16,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.76 : 40,208.32 = 11,214.88 : x
  2. Step 2: Convert to fraction form
    26,805.76/40,208.32 = 11,214.88/x
  3. Step 3: Cross multiply
    26,805.76x = 40,208.32 × 11,214.88
  4. Step 4: Simplify right side
    26,805.76x = 450,931,483.80
  5. Step 5: Solve for x
    x = 450,931,483.80/26,805.76
  6. Step 6: Final answer
    x = 16,822.19

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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.