Home / 26,665.12-40,009.20-14,960.80

Finding the Fourth Proportional to 26,665.12, 40,009.20 and 14,960.80

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Solution

The fourth proportional to 26,665.12, 40,009.20 and 14,960.80 is: 22,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.12 : 40,009.20 = 14,960.80 : x
  2. Step 2: Convert to fraction form
    26,665.12/40,009.20 = 14,960.80/x
  3. Step 3: Cross multiply
    26,665.12x = 40,009.20 × 14,960.80
  4. Step 4: Simplify right side
    26,665.12x = 598,569,639.36
  5. Step 5: Solve for x
    x = 598,569,639.36/26,665.12
  6. Step 6: Final answer
    x = 22,447.66

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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.