Home / 28,185.23-38,892.80-16,852.47

Finding the Fourth Proportional to 28,185.23, 38,892.80 and 16,852.47

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Solution

The fourth proportional to 28,185.23, 38,892.80 and 16,852.47 is: 23,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.23 : 38,892.80 = 16,852.47 : x
  2. Step 2: Convert to fraction form
    28,185.23/38,892.80 = 16,852.47/x
  3. Step 3: Cross multiply
    28,185.23x = 38,892.80 × 16,852.47
  4. Step 4: Simplify right side
    28,185.23x = 655,439,745.22
  5. Step 5: Solve for x
    x = 655,439,745.22/28,185.23
  6. Step 6: Final answer
    x = 23,254.72

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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.