Home / 28,444.05-42,666.29-18,645.38

Finding the Fourth Proportional to 28,444.05, 42,666.29 and 18,645.38

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Solution

The fourth proportional to 28,444.05, 42,666.29 and 18,645.38 is: 27,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.05 : 42,666.29 = 18,645.38 : x
  2. Step 2: Convert to fraction form
    28,444.05/42,666.29 = 18,645.38/x
  3. Step 3: Cross multiply
    28,444.05x = 42,666.29 × 18,645.38
  4. Step 4: Simplify right side
    28,444.05x = 795,529,190.24
  5. Step 5: Solve for x
    x = 795,529,190.24/28,444.05
  6. Step 6: Final answer
    x = 27,968.21

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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.