Home / 28,156.74-42,244.77-10,631.58

Finding the Fourth Proportional to 28,156.74, 42,244.77 and 10,631.58

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Solution

The fourth proportional to 28,156.74, 42,244.77 and 10,631.58 is: 15,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.74 : 42,244.77 = 10,631.58 : x
  2. Step 2: Convert to fraction form
    28,156.74/42,244.77 = 10,631.58/x
  3. Step 3: Cross multiply
    28,156.74x = 42,244.77 × 10,631.58
  4. Step 4: Simplify right side
    28,156.74x = 449,128,651.84
  5. Step 5: Solve for x
    x = 449,128,651.84/28,156.74
  6. Step 6: Final answer
    x = 15,951.02

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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.