Home / 28,932.50-39,922.80-16,185.02

Finding the Fourth Proportional to 28,932.50, 39,922.80 and 16,185.02

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Solution

The fourth proportional to 28,932.50, 39,922.80 and 16,185.02 is: 22,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.50 : 39,922.80 = 16,185.02 : x
  2. Step 2: Convert to fraction form
    28,932.50/39,922.80 = 16,185.02/x
  3. Step 3: Cross multiply
    28,932.50x = 39,922.80 × 16,185.02
  4. Step 4: Simplify right side
    28,932.50x = 646,151,316.46
  5. Step 5: Solve for x
    x = 646,151,316.46/28,932.50
  6. Step 6: Final answer
    x = 22,333.06

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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.