Home / 26,276.24-39,431.64-12,417.68

Finding the Fourth Proportional to 26,276.24, 39,431.64 and 12,417.68

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Solution

The fourth proportional to 26,276.24, 39,431.64 and 12,417.68 is: 18,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.24 : 39,431.64 = 12,417.68 : x
  2. Step 2: Convert to fraction form
    26,276.24/39,431.64 = 12,417.68/x
  3. Step 3: Cross multiply
    26,276.24x = 39,431.64 × 12,417.68
  4. Step 4: Simplify right side
    26,276.24x = 489,649,487.40
  5. Step 5: Solve for x
    x = 489,649,487.40/26,276.24
  6. Step 6: Final answer
    x = 18,634.69

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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.