Home / 26,207.39-39,303.78-8,678.58

Finding the Fourth Proportional to 26,207.39, 39,303.78 and 8,678.58

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Solution

The fourth proportional to 26,207.39, 39,303.78 and 8,678.58 is: 13,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,207.39 : 39,303.78 = 8,678.58 : x
  2. Step 2: Convert to fraction form
    26,207.39/39,303.78 = 8,678.58/x
  3. Step 3: Cross multiply
    26,207.39x = 39,303.78 × 8,678.58
  4. Step 4: Simplify right side
    26,207.39x = 341,100,999.03
  5. Step 5: Solve for x
    x = 341,100,999.03/26,207.39
  6. Step 6: Final answer
    x = 13,015.45

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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.