Home / 27,935.12-38,549.04-15,357.44

Finding the Fourth Proportional to 27,935.12, 38,549.04 and 15,357.44

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Solution

The fourth proportional to 27,935.12, 38,549.04 and 15,357.44 is: 21,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.12 : 38,549.04 = 15,357.44 : x
  2. Step 2: Convert to fraction form
    27,935.12/38,549.04 = 15,357.44/x
  3. Step 3: Cross multiply
    27,935.12x = 38,549.04 × 15,357.44
  4. Step 4: Simplify right side
    27,935.12x = 592,014,568.86
  5. Step 5: Solve for x
    x = 592,014,568.86/27,935.12
  6. Step 6: Final answer
    x = 21,192.48

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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.