Home / 26,277.12-39,415.68-15,866.88

Finding the Fourth Proportional to 26,277.12, 39,415.68 and 15,866.88

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Solution

The fourth proportional to 26,277.12, 39,415.68 and 15,866.88 is: 23,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.12 : 39,415.68 = 15,866.88 : x
  2. Step 2: Convert to fraction form
    26,277.12/39,415.68 = 15,866.88/x
  3. Step 3: Cross multiply
    26,277.12x = 39,415.68 × 15,866.88
  4. Step 4: Simplify right side
    26,277.12x = 625,403,864.68
  5. Step 5: Solve for x
    x = 625,403,864.68/26,277.12
  6. Step 6: Final answer
    x = 23,800.32

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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.