Home / 26,269.05-39,402.12-8,499.36

Finding the Fourth Proportional to 26,269.05, 39,402.12 and 8,499.36

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Solution

The fourth proportional to 26,269.05, 39,402.12 and 8,499.36 is: 12,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.05 : 39,402.12 = 8,499.36 : x
  2. Step 2: Convert to fraction form
    26,269.05/39,402.12 = 8,499.36/x
  3. Step 3: Cross multiply
    26,269.05x = 39,402.12 × 8,499.36
  4. Step 4: Simplify right side
    26,269.05x = 334,892,802.64
  5. Step 5: Solve for x
    x = 334,892,802.64/26,269.05
  6. Step 6: Final answer
    x = 12,748.57

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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.