Home / 26,367.20-36,387.60-14,431.28

Finding the Fourth Proportional to 26,367.20, 36,387.60 and 14,431.28

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Solution

The fourth proportional to 26,367.20, 36,387.60 and 14,431.28 is: 19,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.20 : 36,387.60 = 14,431.28 : x
  2. Step 2: Convert to fraction form
    26,367.20/36,387.60 = 14,431.28/x
  3. Step 3: Cross multiply
    26,367.20x = 36,387.60 × 14,431.28
  4. Step 4: Simplify right side
    26,367.20x = 525,119,644.13
  5. Step 5: Solve for x
    x = 525,119,644.13/26,367.20
  6. Step 6: Final answer
    x = 19,915.64

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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.