Home / 28,046.45-38,704.02-15,299.57

Finding the Fourth Proportional to 28,046.45, 38,704.02 and 15,299.57

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Solution

The fourth proportional to 28,046.45, 38,704.02 and 15,299.57 is: 21,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.45 : 38,704.02 = 15,299.57 : x
  2. Step 2: Convert to fraction form
    28,046.45/38,704.02 = 15,299.57/x
  3. Step 3: Cross multiply
    28,046.45x = 38,704.02 × 15,299.57
  4. Step 4: Simplify right side
    28,046.45x = 592,154,863.27
  5. Step 5: Solve for x
    x = 592,154,863.27/28,046.45
  6. Step 6: Final answer
    x = 21,113.36

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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.