Home / 28,269.51-42,336.90-15,758.52

Finding the Fourth Proportional to 28,269.51, 42,336.90 and 15,758.52

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Solution

The fourth proportional to 28,269.51, 42,336.90 and 15,758.52 is: 23,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.51 : 42,336.90 = 15,758.52 : x
  2. Step 2: Convert to fraction form
    28,269.51/42,336.90 = 15,758.52/x
  3. Step 3: Cross multiply
    28,269.51x = 42,336.90 × 15,758.52
  4. Step 4: Simplify right side
    28,269.51x = 667,166,885.39
  5. Step 5: Solve for x
    x = 667,166,885.39/28,269.51
  6. Step 6: Final answer
    x = 23,600.23

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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.