Home / 21,615.06-32,437.17-8,465.79

Finding the Fourth Proportional to 21,615.06, 32,437.17 and 8,465.79

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Solution

The fourth proportional to 21,615.06, 32,437.17 and 8,465.79 is: 12,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.06 : 32,437.17 = 8,465.79 : x
  2. Step 2: Convert to fraction form
    21,615.06/32,437.17 = 8,465.79/x
  3. Step 3: Cross multiply
    21,615.06x = 32,437.17 × 8,465.79
  4. Step 4: Simplify right side
    21,615.06x = 274,606,269.41
  5. Step 5: Solve for x
    x = 274,606,269.41/21,615.06
  6. Step 6: Final answer
    x = 12,704.40

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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.