Home / 27,903.44-38,506.74-15,328.18

Finding the Fourth Proportional to 27,903.44, 38,506.74 and 15,328.18

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Solution

The fourth proportional to 27,903.44, 38,506.74 and 15,328.18 is: 21,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.44 : 38,506.74 = 15,328.18 : x
  2. Step 2: Convert to fraction form
    27,903.44/38,506.74 = 15,328.18/x
  3. Step 3: Cross multiply
    27,903.44x = 38,506.74 × 15,328.18
  4. Step 4: Simplify right side
    27,903.44x = 590,238,241.93
  5. Step 5: Solve for x
    x = 590,238,241.93/27,903.44
  6. Step 6: Final answer
    x = 21,152.88

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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.