Home / 28,045.84-42,062.80-10,516.96

Finding the Fourth Proportional to 28,045.84, 42,062.80 and 10,516.96

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Solution

The fourth proportional to 28,045.84, 42,062.80 and 10,516.96 is: 15,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.84 : 42,062.80 = 10,516.96 : x
  2. Step 2: Convert to fraction form
    28,045.84/42,062.80 = 10,516.96/x
  3. Step 3: Cross multiply
    28,045.84x = 42,062.80 × 10,516.96
  4. Step 4: Simplify right side
    28,045.84x = 442,372,785.09
  5. Step 5: Solve for x
    x = 442,372,785.09/28,045.84
  6. Step 6: Final answer
    x = 15,773.21

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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.