Home / 26,715.60-40,030.20-16,837.20

Finding the Fourth Proportional to 26,715.60, 40,030.20 and 16,837.20

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Solution

The fourth proportional to 26,715.60, 40,030.20 and 16,837.20 is: 25,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.60 : 40,030.20 = 16,837.20 : x
  2. Step 2: Convert to fraction form
    26,715.60/40,030.20 = 16,837.20/x
  3. Step 3: Cross multiply
    26,715.60x = 40,030.20 × 16,837.20
  4. Step 4: Simplify right side
    26,715.60x = 673,996,483.44
  5. Step 5: Solve for x
    x = 673,996,483.44/26,715.60
  6. Step 6: Final answer
    x = 25,228.57

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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.