Home / 26,335.58-39,406.30-15,811.99

Finding the Fourth Proportional to 26,335.58, 39,406.30 and 15,811.99

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Solution

The fourth proportional to 26,335.58, 39,406.30 and 15,811.99 is: 23,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.58 : 39,406.30 = 15,811.99 : x
  2. Step 2: Convert to fraction form
    26,335.58/39,406.30 = 15,811.99/x
  3. Step 3: Cross multiply
    26,335.58x = 39,406.30 × 15,811.99
  4. Step 4: Simplify right side
    26,335.58x = 623,091,883.49
  5. Step 5: Solve for x
    x = 623,091,883.49/26,335.58
  6. Step 6: Final answer
    x = 23,659.70

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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.