Home / 21,423.25-32,155.65-10,337.73

Finding the Fourth Proportional to 21,423.25, 32,155.65 and 10,337.73

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Solution

The fourth proportional to 21,423.25, 32,155.65 and 10,337.73 is: 15,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.25 : 32,155.65 = 10,337.73 : x
  2. Step 2: Convert to fraction form
    21,423.25/32,155.65 = 10,337.73/x
  3. Step 3: Cross multiply
    21,423.25x = 32,155.65 × 10,337.73
  4. Step 4: Simplify right side
    21,423.25x = 332,416,427.67
  5. Step 5: Solve for x
    x = 332,416,427.67/21,423.25
  6. Step 6: Final answer
    x = 15,516.62

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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.