Home / 26,856.20-40,284.30-13,734.20

Finding the Fourth Proportional to 26,856.20, 40,284.30 and 13,734.20

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Solution

The fourth proportional to 26,856.20, 40,284.30 and 13,734.20 is: 20,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.20 : 40,284.30 = 13,734.20 : x
  2. Step 2: Convert to fraction form
    26,856.20/40,284.30 = 13,734.20/x
  3. Step 3: Cross multiply
    26,856.20x = 40,284.30 × 13,734.20
  4. Step 4: Simplify right side
    26,856.20x = 553,272,633.06
  5. Step 5: Solve for x
    x = 553,272,633.06/26,856.20
  6. Step 6: Final answer
    x = 20,601.30

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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.