Home / 21,409.38-29,551.82-15,037.52

Finding the Fourth Proportional to 21,409.38, 29,551.82 and 15,037.52

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Solution

The fourth proportional to 21,409.38, 29,551.82 and 15,037.52 is: 20,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.38 : 29,551.82 = 15,037.52 : x
  2. Step 2: Convert to fraction form
    21,409.38/29,551.82 = 15,037.52/x
  3. Step 3: Cross multiply
    21,409.38x = 29,551.82 × 15,037.52
  4. Step 4: Simplify right side
    21,409.38x = 444,385,861.34
  5. Step 5: Solve for x
    x = 444,385,861.34/21,409.38
  6. Step 6: Final answer
    x = 20,756.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.