Home / 26,767.80-36,939-14,831.04

Finding the Fourth Proportional to 26,767.80, 36,939 and 14,831.04

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Solution

The fourth proportional to 26,767.80, 36,939 and 14,831.04 is: 20,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.80 : 36,939 = 14,831.04 : x
  2. Step 2: Convert to fraction form
    26,767.80/36,939 = 14,831.04/x
  3. Step 3: Cross multiply
    26,767.80x = 36,939 × 14,831.04
  4. Step 4: Simplify right side
    26,767.80x = 547,843,786.56
  5. Step 5: Solve for x
    x = 547,843,786.56/26,767.80
  6. Step 6: Final answer
    x = 20,466.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.