Home / 19,987.44-27,585-16,624.32

Finding the Fourth Proportional to 19,987.44, 27,585 and 16,624.32

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Solution

The fourth proportional to 19,987.44, 27,585 and 16,624.32 is: 22,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.44 : 27,585 = 16,624.32 : x
  2. Step 2: Convert to fraction form
    19,987.44/27,585 = 16,624.32/x
  3. Step 3: Cross multiply
    19,987.44x = 27,585 × 16,624.32
  4. Step 4: Simplify right side
    19,987.44x = 458,581,867.20
  5. Step 5: Solve for x
    x = 458,581,867.20/19,987.44
  6. Step 6: Final answer
    x = 22,943.50

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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.