Home / 28,283.66-39,028.72-16,952.96

Finding the Fourth Proportional to 28,283.66, 39,028.72 and 16,952.96

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Solution

The fourth proportional to 28,283.66, 39,028.72 and 16,952.96 is: 23,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.66 : 39,028.72 = 16,952.96 : x
  2. Step 2: Convert to fraction form
    28,283.66/39,028.72 = 16,952.96/x
  3. Step 3: Cross multiply
    28,283.66x = 39,028.72 × 16,952.96
  4. Step 4: Simplify right side
    28,283.66x = 661,652,329.01
  5. Step 5: Solve for x
    x = 661,652,329.01/28,283.66
  6. Step 6: Final answer
    x = 23,393.45

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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.