Home / 26,145.89-39,219.76-8,374.24

Finding the Fourth Proportional to 26,145.89, 39,219.76 and 8,374.24

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Solution

The fourth proportional to 26,145.89, 39,219.76 and 8,374.24 is: 12,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.89 : 39,219.76 = 8,374.24 : x
  2. Step 2: Convert to fraction form
    26,145.89/39,219.76 = 8,374.24/x
  3. Step 3: Cross multiply
    26,145.89x = 39,219.76 × 8,374.24
  4. Step 4: Simplify right side
    26,145.89x = 328,435,742.47
  5. Step 5: Solve for x
    x = 328,435,742.47/26,145.89
  6. Step 6: Final answer
    x = 12,561.66

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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.