Home / 21,374.60-32,004.30-15,499.40

Finding the Fourth Proportional to 21,374.60, 32,004.30 and 15,499.40

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Solution

The fourth proportional to 21,374.60, 32,004.30 and 15,499.40 is: 23,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.60 : 32,004.30 = 15,499.40 : x
  2. Step 2: Convert to fraction form
    21,374.60/32,004.30 = 15,499.40/x
  3. Step 3: Cross multiply
    21,374.60x = 32,004.30 × 15,499.40
  4. Step 4: Simplify right side
    21,374.60x = 496,047,447.42
  5. Step 5: Solve for x
    x = 496,047,447.42/21,374.60
  6. Step 6: Final answer
    x = 23,207.33

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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.