Home / 26,005.20-39,009.69-8,474.28

Finding the Fourth Proportional to 26,005.20, 39,009.69 and 8,474.28

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Solution

The fourth proportional to 26,005.20, 39,009.69 and 8,474.28 is: 12,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.20 : 39,009.69 = 8,474.28 : x
  2. Step 2: Convert to fraction form
    26,005.20/39,009.69 = 8,474.28/x
  3. Step 3: Cross multiply
    26,005.20x = 39,009.69 × 8,474.28
  4. Step 4: Simplify right side
    26,005.20x = 330,579,035.77
  5. Step 5: Solve for x
    x = 330,579,035.77/26,005.20
  6. Step 6: Final answer
    x = 12,712.04

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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.