Home / 26,391.63-39,587.64-7,672.92

Finding the Fourth Proportional to 26,391.63, 39,587.64 and 7,672.92

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Solution

The fourth proportional to 26,391.63, 39,587.64 and 7,672.92 is: 11,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.63 : 39,587.64 = 7,672.92 : x
  2. Step 2: Convert to fraction form
    26,391.63/39,587.64 = 7,672.92/x
  3. Step 3: Cross multiply
    26,391.63x = 39,587.64 × 7,672.92
  4. Step 4: Simplify right side
    26,391.63x = 303,752,794.71
  5. Step 5: Solve for x
    x = 303,752,794.71/26,391.63
  6. Step 6: Final answer
    x = 11,509.44

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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.