Home / 26,811.60-37,036.08-20,601.60

Finding the Fourth Proportional to 26,811.60, 37,036.08 and 20,601.60

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Solution

The fourth proportional to 26,811.60, 37,036.08 and 20,601.60 is: 28,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.60 : 37,036.08 = 20,601.60 : x
  2. Step 2: Convert to fraction form
    26,811.60/37,036.08 = 20,601.60/x
  3. Step 3: Cross multiply
    26,811.60x = 37,036.08 × 20,601.60
  4. Step 4: Simplify right side
    26,811.60x = 763,002,505.73
  5. Step 5: Solve for x
    x = 763,002,505.73/26,811.60
  6. Step 6: Final answer
    x = 28,457.93

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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.