Home / 21,464.32-29,675.52-16,186.24

Finding the Fourth Proportional to 21,464.32, 29,675.52 and 16,186.24

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Solution

The fourth proportional to 21,464.32, 29,675.52 and 16,186.24 is: 22,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.32 : 29,675.52 = 16,186.24 : x
  2. Step 2: Convert to fraction form
    21,464.32/29,675.52 = 16,186.24/x
  3. Step 3: Cross multiply
    21,464.32x = 29,675.52 × 16,186.24
  4. Step 4: Simplify right side
    21,464.32x = 480,335,088.84
  5. Step 5: Solve for x
    x = 480,335,088.84/21,464.32
  6. Step 6: Final answer
    x = 22,378.30

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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.