Home / 26,718.67-40,080.09-8,949.40

Finding the Fourth Proportional to 26,718.67, 40,080.09 and 8,949.40

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Solution

The fourth proportional to 26,718.67, 40,080.09 and 8,949.40 is: 13,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.67 : 40,080.09 = 8,949.40 : x
  2. Step 2: Convert to fraction form
    26,718.67/40,080.09 = 8,949.40/x
  3. Step 3: Cross multiply
    26,718.67x = 40,080.09 × 8,949.40
  4. Step 4: Simplify right side
    26,718.67x = 358,692,690.81
  5. Step 5: Solve for x
    x = 358,692,690.81/26,718.67
  6. Step 6: Final answer
    x = 13,424.80

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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.