Home / 26,718.20-40,109.70-13,563.80

Finding the Fourth Proportional to 26,718.20, 40,109.70 and 13,563.80

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Solution

The fourth proportional to 26,718.20, 40,109.70 and 13,563.80 is: 20,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.20 : 40,109.70 = 13,563.80 : x
  2. Step 2: Convert to fraction form
    26,718.20/40,109.70 = 13,563.80/x
  3. Step 3: Cross multiply
    26,718.20x = 40,109.70 × 13,563.80
  4. Step 4: Simplify right side
    26,718.20x = 544,039,948.86
  5. Step 5: Solve for x
    x = 544,039,948.86/26,718.20
  6. Step 6: Final answer
    x = 20,362.15

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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.