Home / 28,318.36-42,475.92-13,537.48

Finding the Fourth Proportional to 28,318.36, 42,475.92 and 13,537.48

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Solution

The fourth proportional to 28,318.36, 42,475.92 and 13,537.48 is: 20,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.36 : 42,475.92 = 13,537.48 : x
  2. Step 2: Convert to fraction form
    28,318.36/42,475.92 = 13,537.48/x
  3. Step 3: Cross multiply
    28,318.36x = 42,475.92 × 13,537.48
  4. Step 4: Simplify right side
    28,318.36x = 575,016,917.48
  5. Step 5: Solve for x
    x = 575,016,917.48/28,318.36
  6. Step 6: Final answer
    x = 20,305.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.