Home / 27,935.56-38,551.07-15,360.31

Finding the Fourth Proportional to 27,935.56, 38,551.07 and 15,360.31

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Solution

The fourth proportional to 27,935.56, 38,551.07 and 15,360.31 is: 21,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.56 : 38,551.07 = 15,360.31 : x
  2. Step 2: Convert to fraction form
    27,935.56/38,551.07 = 15,360.31/x
  3. Step 3: Cross multiply
    27,935.56x = 38,551.07 × 15,360.31
  4. Step 4: Simplify right side
    27,935.56x = 592,156,424.43
  5. Step 5: Solve for x
    x = 592,156,424.43/27,935.56
  6. Step 6: Final answer
    x = 21,197.23

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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.