Home / 26,649.60-36,778.23-15,322.83

Finding the Fourth Proportional to 26,649.60, 36,778.23 and 15,322.83

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Solution

The fourth proportional to 26,649.60, 36,778.23 and 15,322.83 is: 21,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.60 : 36,778.23 = 15,322.83 : x
  2. Step 2: Convert to fraction form
    26,649.60/36,778.23 = 15,322.83/x
  3. Step 3: Cross multiply
    26,649.60x = 36,778.23 × 15,322.83
  4. Step 4: Simplify right side
    26,649.60x = 563,546,565.99
  5. Step 5: Solve for x
    x = 563,546,565.99/26,649.60
  6. Step 6: Final answer
    x = 21,146.53

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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.