Home / 26,382.90-39,601.63-17,678.64

Finding the Fourth Proportional to 26,382.90, 39,601.63 and 17,678.64

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Solution

The fourth proportional to 26,382.90, 39,601.63 and 17,678.64 is: 26,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.90 : 39,601.63 = 17,678.64 : x
  2. Step 2: Convert to fraction form
    26,382.90/39,601.63 = 17,678.64/x
  3. Step 3: Cross multiply
    26,382.90x = 39,601.63 × 17,678.64
  4. Step 4: Simplify right side
    26,382.90x = 700,102,960.18
  5. Step 5: Solve for x
    x = 700,102,960.18/26,382.90
  6. Step 6: Final answer
    x = 26,536.24

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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.