Home / 27,318.16-37,695.94-15,381.19

Finding the Fourth Proportional to 27,318.16, 37,695.94 and 15,381.19

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Solution

The fourth proportional to 27,318.16, 37,695.94 and 15,381.19 is: 21,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.16 : 37,695.94 = 15,381.19 : x
  2. Step 2: Convert to fraction form
    27,318.16/37,695.94 = 15,381.19/x
  3. Step 3: Cross multiply
    27,318.16x = 37,695.94 × 15,381.19
  4. Step 4: Simplify right side
    27,318.16x = 579,808,415.37
  5. Step 5: Solve for x
    x = 579,808,415.37/27,318.16
  6. Step 6: Final answer
    x = 21,224.29

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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.