Home / 28,046.64-42,076.76-10,516.64

Finding the Fourth Proportional to 28,046.64, 42,076.76 and 10,516.64

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Solution

The fourth proportional to 28,046.64, 42,076.76 and 10,516.64 is: 15,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.64 : 42,076.76 = 10,516.64 : x
  2. Step 2: Convert to fraction form
    28,046.64/42,076.76 = 10,516.64/x
  3. Step 3: Cross multiply
    28,046.64x = 42,076.76 × 10,516.64
  4. Step 4: Simplify right side
    28,046.64x = 442,506,137.29
  5. Step 5: Solve for x
    x = 442,506,137.29/28,046.64
  6. Step 6: Final answer
    x = 15,777.51

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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.