Home / 28,731.51-39,654.35-16,630.23

Finding the Fourth Proportional to 28,731.51, 39,654.35 and 16,630.23

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Solution

The fourth proportional to 28,731.51, 39,654.35 and 16,630.23 is: 22,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.51 : 39,654.35 = 16,630.23 : x
  2. Step 2: Convert to fraction form
    28,731.51/39,654.35 = 16,630.23/x
  3. Step 3: Cross multiply
    28,731.51x = 39,654.35 × 16,630.23
  4. Step 4: Simplify right side
    28,731.51x = 659,460,877.85
  5. Step 5: Solve for x
    x = 659,460,877.85/28,731.51
  6. Step 6: Final answer
    x = 22,952.53

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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.