Home / 29,278.64-40,403.09-16,533.28

Finding the Fourth Proportional to 29,278.64, 40,403.09 and 16,533.28

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Solution

The fourth proportional to 29,278.64, 40,403.09 and 16,533.28 is: 22,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.64 : 40,403.09 = 16,533.28 : x
  2. Step 2: Convert to fraction form
    29,278.64/40,403.09 = 16,533.28/x
  3. Step 3: Cross multiply
    29,278.64x = 40,403.09 × 16,533.28
  4. Step 4: Simplify right side
    29,278.64x = 667,995,599.84
  5. Step 5: Solve for x
    x = 667,995,599.84/29,278.64
  6. Step 6: Final answer
    x = 22,815.12

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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.