Home / 29,557.80-40,790.07-16,128.90

Finding the Fourth Proportional to 29,557.80, 40,790.07 and 16,128.90

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Solution

The fourth proportional to 29,557.80, 40,790.07 and 16,128.90 is: 22,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.80 : 40,790.07 = 16,128.90 : x
  2. Step 2: Convert to fraction form
    29,557.80/40,790.07 = 16,128.90/x
  3. Step 3: Cross multiply
    29,557.80x = 40,790.07 × 16,128.90
  4. Step 4: Simplify right side
    29,557.80x = 657,898,960.02
  5. Step 5: Solve for x
    x = 657,898,960.02/29,557.80
  6. Step 6: Final answer
    x = 22,258.05

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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.