Home / 26,931.72-40,394.71-7,212.27

Finding the Fourth Proportional to 26,931.72, 40,394.71 and 7,212.27

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Solution

The fourth proportional to 26,931.72, 40,394.71 and 7,212.27 is: 10,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.72 : 40,394.71 = 7,212.27 : x
  2. Step 2: Convert to fraction form
    26,931.72/40,394.71 = 7,212.27/x
  3. Step 3: Cross multiply
    26,931.72x = 40,394.71 × 7,212.27
  4. Step 4: Simplify right side
    26,931.72x = 291,337,555.09
  5. Step 5: Solve for x
    x = 291,337,555.09/26,931.72
  6. Step 6: Final answer
    x = 10,817.64

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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.