Home / 19,998.23-29,995.59-18,432.23

Finding the Fourth Proportional to 19,998.23, 29,995.59 and 18,432.23

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Solution

The fourth proportional to 19,998.23, 29,995.59 and 18,432.23 is: 27,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.23 : 29,995.59 = 18,432.23 : x
  2. Step 2: Convert to fraction form
    19,998.23/29,995.59 = 18,432.23/x
  3. Step 3: Cross multiply
    19,998.23x = 29,995.59 × 18,432.23
  4. Step 4: Simplify right side
    19,998.23x = 552,885,613.87
  5. Step 5: Solve for x
    x = 552,885,613.87/19,998.23
  6. Step 6: Final answer
    x = 27,646.73

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.