Home / 28,046.63-38,703.73-15,471.38

Finding the Fourth Proportional to 28,046.63, 38,703.73 and 15,471.38

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Solution

The fourth proportional to 28,046.63, 38,703.73 and 15,471.38 is: 21,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.63 : 38,703.73 = 15,471.38 : x
  2. Step 2: Convert to fraction form
    28,046.63/38,703.73 = 15,471.38/x
  3. Step 3: Cross multiply
    28,046.63x = 38,703.73 × 15,471.38
  4. Step 4: Simplify right side
    28,046.63x = 598,800,114.25
  5. Step 5: Solve for x
    x = 598,800,114.25/28,046.63
  6. Step 6: Final answer
    x = 21,350.16

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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.