Home / 16,619.20-22,887.84-16,256.32

Finding the Fourth Proportional to 16,619.20, 22,887.84 and 16,256.32

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Solution

The fourth proportional to 16,619.20, 22,887.84 and 16,256.32 is: 22,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.20 : 22,887.84 = 16,256.32 : x
  2. Step 2: Convert to fraction form
    16,619.20/22,887.84 = 16,256.32/x
  3. Step 3: Cross multiply
    16,619.20x = 22,887.84 × 16,256.32
  4. Step 4: Simplify right side
    16,619.20x = 372,072,051.15
  5. Step 5: Solve for x
    x = 372,072,051.15/16,619.20
  6. Step 6: Final answer
    x = 22,388.08

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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.