Home / 21,919.54-32,875.02-18,245.38

Finding the Fourth Proportional to 21,919.54, 32,875.02 and 18,245.38

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Solution

The fourth proportional to 21,919.54, 32,875.02 and 18,245.38 is: 27,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919.54 : 32,875.02 = 18,245.38 : x
  2. Step 2: Convert to fraction form
    21,919.54/32,875.02 = 18,245.38/x
  3. Step 3: Cross multiply
    21,919.54x = 32,875.02 × 18,245.38
  4. Step 4: Simplify right side
    21,919.54x = 599,817,232.41
  5. Step 5: Solve for x
    x = 599,817,232.41/21,919.54
  6. Step 6: Final answer
    x = 27,364.50

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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.