Home / 26,297.60-39,436.80-13,145.60

Finding the Fourth Proportional to 26,297.60, 39,436.80 and 13,145.60

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Solution

The fourth proportional to 26,297.60, 39,436.80 and 13,145.60 is: 19,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,297.60 : 39,436.80 = 13,145.60 : x
  2. Step 2: Convert to fraction form
    26,297.60/39,436.80 = 13,145.60/x
  3. Step 3: Cross multiply
    26,297.60x = 39,436.80 × 13,145.60
  4. Step 4: Simplify right side
    26,297.60x = 518,420,398.08
  5. Step 5: Solve for x
    x = 518,420,398.08/26,297.60
  6. Step 6: Final answer
    x = 19,713.60

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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.