Home / 28,336.74-42,505.20-10,563.72

Finding the Fourth Proportional to 28,336.74, 42,505.20 and 10,563.72

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Solution

The fourth proportional to 28,336.74, 42,505.20 and 10,563.72 is: 15,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.74 : 42,505.20 = 10,563.72 : x
  2. Step 2: Convert to fraction form
    28,336.74/42,505.20 = 10,563.72/x
  3. Step 3: Cross multiply
    28,336.74x = 42,505.20 × 10,563.72
  4. Step 4: Simplify right side
    28,336.74x = 449,013,031.34
  5. Step 5: Solve for x
    x = 449,013,031.34/28,336.74
  6. Step 6: Final answer
    x = 15,845.61

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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.