Home / 21,567.11-32,355.52-8,423.24

Finding the Fourth Proportional to 21,567.11, 32,355.52 and 8,423.24

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Solution

The fourth proportional to 21,567.11, 32,355.52 and 8,423.24 is: 12,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.11 : 32,355.52 = 8,423.24 : x
  2. Step 2: Convert to fraction form
    21,567.11/32,355.52 = 8,423.24/x
  3. Step 3: Cross multiply
    21,567.11x = 32,355.52 × 8,423.24
  4. Step 4: Simplify right side
    21,567.11x = 272,538,127.45
  5. Step 5: Solve for x
    x = 272,538,127.45/21,567.11
  6. Step 6: Final answer
    x = 12,636.75

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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.