Home / 28,242.24-38,971.44-16,309.38

Finding the Fourth Proportional to 28,242.24, 38,971.44 and 16,309.38

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Solution

The fourth proportional to 28,242.24, 38,971.44 and 16,309.38 is: 22,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.24 : 38,971.44 = 16,309.38 : x
  2. Step 2: Convert to fraction form
    28,242.24/38,971.44 = 16,309.38/x
  3. Step 3: Cross multiply
    28,242.24x = 38,971.44 × 16,309.38
  4. Step 4: Simplify right side
    28,242.24x = 635,600,024.11
  5. Step 5: Solve for x
    x = 635,600,024.11/28,242.24
  6. Step 6: Final answer
    x = 22,505.30

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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.