Home / 29,557.64-40,789.00-16,128.55

Finding the Fourth Proportional to 29,557.64, 40,789.00 and 16,128.55

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Solution

The fourth proportional to 29,557.64, 40,789.00 and 16,128.55 is: 22,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.64 : 40,789.00 = 16,128.55 : x
  2. Step 2: Convert to fraction form
    29,557.64/40,789.00 = 16,128.55/x
  3. Step 3: Cross multiply
    29,557.64x = 40,789.00 × 16,128.55
  4. Step 4: Simplify right side
    29,557.64x = 657,867,497.10
  5. Step 5: Solve for x
    x = 657,867,497.10/29,557.64
  6. Step 6: Final answer
    x = 22,257.10

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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.