Home / 28,488.69-42,751.40-15,350.22

Finding the Fourth Proportional to 28,488.69, 42,751.40 and 15,350.22

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Solution

The fourth proportional to 28,488.69, 42,751.40 and 15,350.22 is: 23,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.69 : 42,751.40 = 15,350.22 : x
  2. Step 2: Convert to fraction form
    28,488.69/42,751.40 = 15,350.22/x
  3. Step 3: Cross multiply
    28,488.69x = 42,751.40 × 15,350.22
  4. Step 4: Simplify right side
    28,488.69x = 656,243,318.56
  5. Step 5: Solve for x
    x = 656,243,318.56/28,488.69
  6. Step 6: Final answer
    x = 23,035.22

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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.