Home / 28,985.88-39,997.14-16,237.24

Finding the Fourth Proportional to 28,985.88, 39,997.14 and 16,237.24

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Solution

The fourth proportional to 28,985.88, 39,997.14 and 16,237.24 is: 22,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.88 : 39,997.14 = 16,237.24 : x
  2. Step 2: Convert to fraction form
    28,985.88/39,997.14 = 16,237.24/x
  3. Step 3: Cross multiply
    28,985.88x = 39,997.14 × 16,237.24
  4. Step 4: Simplify right side
    28,985.88x = 649,443,161.49
  5. Step 5: Solve for x
    x = 649,443,161.49/28,985.88
  6. Step 6: Final answer
    x = 22,405.50

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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.