Home / 28,242.21-38,974.19-16,305.24

Finding the Fourth Proportional to 28,242.21, 38,974.19 and 16,305.24

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Solution

The fourth proportional to 28,242.21, 38,974.19 and 16,305.24 is: 22,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.21 : 38,974.19 = 16,305.24 : x
  2. Step 2: Convert to fraction form
    28,242.21/38,974.19 = 16,305.24/x
  3. Step 3: Cross multiply
    28,242.21x = 38,974.19 × 16,305.24
  4. Step 4: Simplify right side
    28,242.21x = 635,483,440.23
  5. Step 5: Solve for x
    x = 635,483,440.23/28,242.21
  6. Step 6: Final answer
    x = 22,501.19

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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.