Home / 26,005.16-35,874.42-15,390.92

Finding the Fourth Proportional to 26,005.16, 35,874.42 and 15,390.92

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Solution

The fourth proportional to 26,005.16, 35,874.42 and 15,390.92 is: 21,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.16 : 35,874.42 = 15,390.92 : x
  2. Step 2: Convert to fraction form
    26,005.16/35,874.42 = 15,390.92/x
  3. Step 3: Cross multiply
    26,005.16x = 35,874.42 × 15,390.92
  4. Step 4: Simplify right side
    26,005.16x = 552,140,328.27
  5. Step 5: Solve for x
    x = 552,140,328.27/26,005.16
  6. Step 6: Final answer
    x = 21,231.95

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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.