Home / 27,630.72-38,131.12-15,056.24

Finding the Fourth Proportional to 27,630.72, 38,131.12 and 15,056.24

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Solution

The fourth proportional to 27,630.72, 38,131.12 and 15,056.24 is: 20,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.72 : 38,131.12 = 15,056.24 : x
  2. Step 2: Convert to fraction form
    27,630.72/38,131.12 = 15,056.24/x
  3. Step 3: Cross multiply
    27,630.72x = 38,131.12 × 15,056.24
  4. Step 4: Simplify right side
    27,630.72x = 574,111,294.19
  5. Step 5: Solve for x
    x = 574,111,294.19/27,630.72
  6. Step 6: Final answer
    x = 20,778.01

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Half scale
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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.