Home / 27,962.34-38,588.16-15,215.52

Finding the Fourth Proportional to 27,962.34, 38,588.16 and 15,215.52

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Solution

The fourth proportional to 27,962.34, 38,588.16 and 15,215.52 is: 20,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.34 : 38,588.16 = 15,215.52 : x
  2. Step 2: Convert to fraction form
    27,962.34/38,588.16 = 15,215.52/x
  3. Step 3: Cross multiply
    27,962.34x = 38,588.16 × 15,215.52
  4. Step 4: Simplify right side
    27,962.34x = 587,138,920.24
  5. Step 5: Solve for x
    x = 587,138,920.24/27,962.34
  6. Step 6: Final answer
    x = 20,997.49

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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.