Home / 38,475.24-53,035.18-28,371.32

Finding the Fourth Proportional to 38,475.24, 53,035.18 and 28,371.32

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Solution

The fourth proportional to 38,475.24, 53,035.18 and 28,371.32 is: 39,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.24 : 53,035.18 = 28,371.32 : x
  2. Step 2: Convert to fraction form
    38,475.24/53,035.18 = 28,371.32/x
  3. Step 3: Cross multiply
    38,475.24x = 53,035.18 × 28,371.32
  4. Step 4: Simplify right side
    38,475.24x = 1,504,678,063.04
  5. Step 5: Solve for x
    x = 1,504,678,063.04/38,475.24
  6. Step 6: Final answer
    x = 39,107.70

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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.