Home / 28,944.33-39,926.55-17,005.47

Finding the Fourth Proportional to 28,944.33, 39,926.55 and 17,005.47

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Solution

The fourth proportional to 28,944.33, 39,926.55 and 17,005.47 is: 23,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.33 : 39,926.55 = 17,005.47 : x
  2. Step 2: Convert to fraction form
    28,944.33/39,926.55 = 17,005.47/x
  3. Step 3: Cross multiply
    28,944.33x = 39,926.55 × 17,005.47
  4. Step 4: Simplify right side
    28,944.33x = 678,969,748.23
  5. Step 5: Solve for x
    x = 678,969,748.23/28,944.33
  6. Step 6: Final answer
    x = 23,457.78

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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.