Home / 26,427.15-39,640.38-6,436.74

Finding the Fourth Proportional to 26,427.15, 39,640.38 and 6,436.74

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Solution

The fourth proportional to 26,427.15, 39,640.38 and 6,436.74 is: 9,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.15 : 39,640.38 = 6,436.74 : x
  2. Step 2: Convert to fraction form
    26,427.15/39,640.38 = 6,436.74/x
  3. Step 3: Cross multiply
    26,427.15x = 39,640.38 × 6,436.74
  4. Step 4: Simplify right side
    26,427.15x = 255,154,819.56
  5. Step 5: Solve for x
    x = 255,154,819.56/26,427.15
  6. Step 6: Final answer
    x = 9,655.03

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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.