Home / 21,495.60-32,243.40-19,673.10

Finding the Fourth Proportional to 21,495.60, 32,243.40 and 19,673.10

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Solution

The fourth proportional to 21,495.60, 32,243.40 and 19,673.10 is: 29,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.60 : 32,243.40 = 19,673.10 : x
  2. Step 2: Convert to fraction form
    21,495.60/32,243.40 = 19,673.10/x
  3. Step 3: Cross multiply
    21,495.60x = 32,243.40 × 19,673.10
  4. Step 4: Simplify right side
    21,495.60x = 634,327,632.54
  5. Step 5: Solve for x
    x = 634,327,632.54/21,495.60
  6. Step 6: Final answer
    x = 29,509.65

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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.