Home / 28,045.76-42,057.70-10,506.02

Finding the Fourth Proportional to 28,045.76, 42,057.70 and 10,506.02

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Solution

The fourth proportional to 28,045.76, 42,057.70 and 10,506.02 is: 15,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.76 : 42,057.70 = 10,506.02 : x
  2. Step 2: Convert to fraction form
    28,045.76/42,057.70 = 10,506.02/x
  3. Step 3: Cross multiply
    28,045.76x = 42,057.70 × 10,506.02
  4. Step 4: Simplify right side
    28,045.76x = 441,858,800.80
  5. Step 5: Solve for x
    x = 441,858,800.80/28,045.76
  6. Step 6: Final answer
    x = 15,754.93

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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.