Home / 28,631.36-39,502.14-17,305.13

Finding the Fourth Proportional to 28,631.36, 39,502.14 and 17,305.13

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Solution

The fourth proportional to 28,631.36, 39,502.14 and 17,305.13 is: 23,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.36 : 39,502.14 = 17,305.13 : x
  2. Step 2: Convert to fraction form
    28,631.36/39,502.14 = 17,305.13/x
  3. Step 3: Cross multiply
    28,631.36x = 39,502.14 × 17,305.13
  4. Step 4: Simplify right side
    28,631.36x = 683,589,667.98
  5. Step 5: Solve for x
    x = 683,589,667.98/28,631.36
  6. Step 6: Final answer
    x = 23,875.56

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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.