Home / 20,887.08-28,804.56-16,652.22

Finding the Fourth Proportional to 20,887.08, 28,804.56 and 16,652.22

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Solution

The fourth proportional to 20,887.08, 28,804.56 and 16,652.22 is: 22,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.08 : 28,804.56 = 16,652.22 : x
  2. Step 2: Convert to fraction form
    20,887.08/28,804.56 = 16,652.22/x
  3. Step 3: Cross multiply
    20,887.08x = 28,804.56 × 16,652.22
  4. Step 4: Simplify right side
    20,887.08x = 479,659,870.12
  5. Step 5: Solve for x
    x = 479,659,870.12/20,887.08
  6. Step 6: Final answer
    x = 22,964.43

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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.