Home / 26,719.20-36,871.32-14,782.32

Finding the Fourth Proportional to 26,719.20, 36,871.32 and 14,782.32

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Solution

The fourth proportional to 26,719.20, 36,871.32 and 14,782.32 is: 20,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.20 : 36,871.32 = 14,782.32 : x
  2. Step 2: Convert to fraction form
    26,719.20/36,871.32 = 14,782.32/x
  3. Step 3: Cross multiply
    26,719.20x = 36,871.32 × 14,782.32
  4. Step 4: Simplify right side
    26,719.20x = 545,043,651.06
  5. Step 5: Solve for x
    x = 545,043,651.06/26,719.20
  6. Step 6: Final answer
    x = 20,398.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.