Home / 26,720.96-40,043.10-15,009.53

Finding the Fourth Proportional to 26,720.96, 40,043.10 and 15,009.53

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Solution

The fourth proportional to 26,720.96, 40,043.10 and 15,009.53 is: 22,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.96 : 40,043.10 = 15,009.53 : x
  2. Step 2: Convert to fraction form
    26,720.96/40,043.10 = 15,009.53/x
  3. Step 3: Cross multiply
    26,720.96x = 40,043.10 × 15,009.53
  4. Step 4: Simplify right side
    26,720.96x = 601,028,110.74
  5. Step 5: Solve for x
    x = 601,028,110.74/26,720.96
  6. Step 6: Final answer
    x = 22,492.76

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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.