Home / 26,720.20-36,872.70-14,783.32

Finding the Fourth Proportional to 26,720.20, 36,872.70 and 14,783.32

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Solution

The fourth proportional to 26,720.20, 36,872.70 and 14,783.32 is: 20,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.20 : 36,872.70 = 14,783.32 : x
  2. Step 2: Convert to fraction form
    26,720.20/36,872.70 = 14,783.32/x
  3. Step 3: Cross multiply
    26,720.20x = 36,872.70 × 14,783.32
  4. Step 4: Simplify right side
    26,720.20x = 545,100,923.36
  5. Step 5: Solve for x
    x = 545,100,923.36/26,720.20
  6. Step 6: Final answer
    x = 20,400.33

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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.