Home / 27,847.24-38,425.63-15,911.35

Finding the Fourth Proportional to 27,847.24, 38,425.63 and 15,911.35

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Solution

The fourth proportional to 27,847.24, 38,425.63 and 15,911.35 is: 21,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.24 : 38,425.63 = 15,911.35 : x
  2. Step 2: Convert to fraction form
    27,847.24/38,425.63 = 15,911.35/x
  3. Step 3: Cross multiply
    27,847.24x = 38,425.63 × 15,911.35
  4. Step 4: Simplify right side
    27,847.24x = 611,403,495.55
  5. Step 5: Solve for x
    x = 611,403,495.55/27,847.24
  6. Step 6: Final answer
    x = 21,955.63

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Half scale
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Double scale
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Similar ratio
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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.