Home / 26,440.32-39,662.64-10,858.08

Finding the Fourth Proportional to 26,440.32, 39,662.64 and 10,858.08

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Solution

The fourth proportional to 26,440.32, 39,662.64 and 10,858.08 is: 16,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.32 : 39,662.64 = 10,858.08 : x
  2. Step 2: Convert to fraction form
    26,440.32/39,662.64 = 10,858.08/x
  3. Step 3: Cross multiply
    26,440.32x = 39,662.64 × 10,858.08
  4. Step 4: Simplify right side
    26,440.32x = 430,660,118.13
  5. Step 5: Solve for x
    x = 430,660,118.13/26,440.32
  6. Step 6: Final answer
    x = 16,288.01

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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.