Home / 26,455.23-39,682.40-10,659.88

Finding the Fourth Proportional to 26,455.23, 39,682.40 and 10,659.88

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Solution

The fourth proportional to 26,455.23, 39,682.40 and 10,659.88 is: 15,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.23 : 39,682.40 = 10,659.88 : x
  2. Step 2: Convert to fraction form
    26,455.23/39,682.40 = 10,659.88/x
  3. Step 3: Cross multiply
    26,455.23x = 39,682.40 × 10,659.88
  4. Step 4: Simplify right side
    26,455.23x = 423,009,549.56
  5. Step 5: Solve for x
    x = 423,009,549.56/26,455.23
  6. Step 6: Final answer
    x = 15,989.64

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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.