Home / 21,967.68-32,951.36-18,672.96

Finding the Fourth Proportional to 21,967.68, 32,951.36 and 18,672.96

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Solution

The fourth proportional to 21,967.68, 32,951.36 and 18,672.96 is: 28,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.68 : 32,951.36 = 18,672.96 : x
  2. Step 2: Convert to fraction form
    21,967.68/32,951.36 = 18,672.96/x
  3. Step 3: Cross multiply
    21,967.68x = 32,951.36 × 18,672.96
  4. Step 4: Simplify right side
    21,967.68x = 615,299,427.23
  5. Step 5: Solve for x
    x = 615,299,427.23/21,967.68
  6. Step 6: Final answer
    x = 28,009.30

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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.