Home / 28,239.14-42,331.17-13,444.09

Finding the Fourth Proportional to 28,239.14, 42,331.17 and 13,444.09

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Solution

The fourth proportional to 28,239.14, 42,331.17 and 13,444.09 is: 20,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.14 : 42,331.17 = 13,444.09 : x
  2. Step 2: Convert to fraction form
    28,239.14/42,331.17 = 13,444.09/x
  3. Step 3: Cross multiply
    28,239.14x = 42,331.17 × 13,444.09
  4. Step 4: Simplify right side
    28,239.14x = 569,103,847.63
  5. Step 5: Solve for x
    x = 569,103,847.63/28,239.14
  6. Step 6: Final answer
    x = 20,153.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.