Home / 26,350.40-39,528.94-12,115.46

Finding the Fourth Proportional to 26,350.40, 39,528.94 and 12,115.46

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Solution

The fourth proportional to 26,350.40, 39,528.94 and 12,115.46 is: 18,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,350.40 : 39,528.94 = 12,115.46 : x
  2. Step 2: Convert to fraction form
    26,350.40/39,528.94 = 12,115.46/x
  3. Step 3: Cross multiply
    26,350.40x = 39,528.94 × 12,115.46
  4. Step 4: Simplify right side
    26,350.40x = 478,911,291.41
  5. Step 5: Solve for x
    x = 478,911,291.41/26,350.40
  6. Step 6: Final answer
    x = 18,174.73

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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.