Home / 27,867.04-38,457.12-15,292.64

Finding the Fourth Proportional to 27,867.04, 38,457.12 and 15,292.64

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Solution

The fourth proportional to 27,867.04, 38,457.12 and 15,292.64 is: 21,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.04 : 38,457.12 = 15,292.64 : x
  2. Step 2: Convert to fraction form
    27,867.04/38,457.12 = 15,292.64/x
  3. Step 3: Cross multiply
    27,867.04x = 38,457.12 × 15,292.64
  4. Step 4: Simplify right side
    27,867.04x = 588,110,891.60
  5. Step 5: Solve for x
    x = 588,110,891.60/27,867.04
  6. Step 6: Final answer
    x = 21,104.18

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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.