Home / 28,708.50-39,621.45-16,133.25

Finding the Fourth Proportional to 28,708.50, 39,621.45 and 16,133.25

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Solution

The fourth proportional to 28,708.50, 39,621.45 and 16,133.25 is: 22,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.50 : 39,621.45 = 16,133.25 : x
  2. Step 2: Convert to fraction form
    28,708.50/39,621.45 = 16,133.25/x
  3. Step 3: Cross multiply
    28,708.50x = 39,621.45 × 16,133.25
  4. Step 4: Simplify right side
    28,708.50x = 639,222,758.21
  5. Step 5: Solve for x
    x = 639,222,758.21/28,708.50
  6. Step 6: Final answer
    x = 22,265.98

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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.