Home / 26,637.68-39,964.48-7,918.32

Finding the Fourth Proportional to 26,637.68, 39,964.48 and 7,918.32

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Solution

The fourth proportional to 26,637.68, 39,964.48 and 7,918.32 is: 11,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.68 : 39,964.48 = 7,918.32 : x
  2. Step 2: Convert to fraction form
    26,637.68/39,964.48 = 7,918.32/x
  3. Step 3: Cross multiply
    26,637.68x = 39,964.48 × 7,918.32
  4. Step 4: Simplify right side
    26,637.68x = 316,451,541.27
  5. Step 5: Solve for x
    x = 316,451,541.27/26,637.68
  6. Step 6: Final answer
    x = 11,879.85

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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.