Home / 26,623.76-39,960.16-13,485.28

Finding the Fourth Proportional to 26,623.76, 39,960.16 and 13,485.28

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Solution

The fourth proportional to 26,623.76, 39,960.16 and 13,485.28 is: 20,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.76 : 39,960.16 = 13,485.28 : x
  2. Step 2: Convert to fraction form
    26,623.76/39,960.16 = 13,485.28/x
  3. Step 3: Cross multiply
    26,623.76x = 39,960.16 × 13,485.28
  4. Step 4: Simplify right side
    26,623.76x = 538,873,946.44
  5. Step 5: Solve for x
    x = 538,873,946.44/26,623.76
  6. Step 6: Final answer
    x = 20,240.34

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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.