Home / 26,490.90-39,716.10-13,352.70

Finding the Fourth Proportional to 26,490.90, 39,716.10 and 13,352.70

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Solution

The fourth proportional to 26,490.90, 39,716.10 and 13,352.70 is: 20,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.90 : 39,716.10 = 13,352.70 : x
  2. Step 2: Convert to fraction form
    26,490.90/39,716.10 = 13,352.70/x
  3. Step 3: Cross multiply
    26,490.90x = 39,716.10 × 13,352.70
  4. Step 4: Simplify right side
    26,490.90x = 530,317,168.47
  5. Step 5: Solve for x
    x = 530,317,168.47/26,490.90
  6. Step 6: Final answer
    x = 20,018.84

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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.