Home / 28,185.48-38,902.95-16,255.98

Finding the Fourth Proportional to 28,185.48, 38,902.95 and 16,255.98

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Solution

The fourth proportional to 28,185.48, 38,902.95 and 16,255.98 is: 22,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.48 : 38,902.95 = 16,255.98 : x
  2. Step 2: Convert to fraction form
    28,185.48/38,902.95 = 16,255.98/x
  3. Step 3: Cross multiply
    28,185.48x = 38,902.95 × 16,255.98
  4. Step 4: Simplify right side
    28,185.48x = 632,405,577.14
  5. Step 5: Solve for x
    x = 632,405,577.14/28,185.48
  6. Step 6: Final answer
    x = 22,437.28

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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.