Home / 28,998.13-40,020.23-16,253.47

Finding the Fourth Proportional to 28,998.13, 40,020.23 and 16,253.47

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Solution

The fourth proportional to 28,998.13, 40,020.23 and 16,253.47 is: 22,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.13 : 40,020.23 = 16,253.47 : x
  2. Step 2: Convert to fraction form
    28,998.13/40,020.23 = 16,253.47/x
  3. Step 3: Cross multiply
    28,998.13x = 40,020.23 × 16,253.47
  4. Step 4: Simplify right side
    28,998.13x = 650,467,607.70
  5. Step 5: Solve for x
    x = 650,467,607.70/28,998.13
  6. Step 6: Final answer
    x = 22,431.36

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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.