Home / 28,069.77-38,739.15-16,133.61

Finding the Fourth Proportional to 28,069.77, 38,739.15 and 16,133.61

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Solution

The fourth proportional to 28,069.77, 38,739.15 and 16,133.61 is: 22,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.77 : 38,739.15 = 16,133.61 : x
  2. Step 2: Convert to fraction form
    28,069.77/38,739.15 = 16,133.61/x
  3. Step 3: Cross multiply
    28,069.77x = 38,739.15 × 16,133.61
  4. Step 4: Simplify right side
    28,069.77x = 625,002,337.83
  5. Step 5: Solve for x
    x = 625,002,337.83/28,069.77
  6. Step 6: Final answer
    x = 22,266.03

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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.