Home / 26,263.40-36,200.61-18,291.78

Finding the Fourth Proportional to 26,263.40, 36,200.61 and 18,291.78

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Solution

The fourth proportional to 26,263.40, 36,200.61 and 18,291.78 is: 25,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,263.40 : 36,200.61 = 18,291.78 : x
  2. Step 2: Convert to fraction form
    26,263.40/36,200.61 = 18,291.78/x
  3. Step 3: Cross multiply
    26,263.40x = 36,200.61 × 18,291.78
  4. Step 4: Simplify right side
    26,263.40x = 662,173,593.99
  5. Step 5: Solve for x
    x = 662,173,593.99/26,263.40
  6. Step 6: Final answer
    x = 25,212.79

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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.