Home / 26,987.45-40,486.64-10,348.02

Finding the Fourth Proportional to 26,987.45, 40,486.64 and 10,348.02

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Solution

The fourth proportional to 26,987.45, 40,486.64 and 10,348.02 is: 15,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.45 : 40,486.64 = 10,348.02 : x
  2. Step 2: Convert to fraction form
    26,987.45/40,486.64 = 10,348.02/x
  3. Step 3: Cross multiply
    26,987.45x = 40,486.64 × 10,348.02
  4. Step 4: Simplify right side
    26,987.45x = 418,956,508.71
  5. Step 5: Solve for x
    x = 418,956,508.71/26,987.45
  6. Step 6: Final answer
    x = 15,524.13

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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.