Home / 28,503.64-42,767.76-15,353.38

Finding the Fourth Proportional to 28,503.64, 42,767.76 and 15,353.38

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Solution

The fourth proportional to 28,503.64, 42,767.76 and 15,353.38 is: 23,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.64 : 42,767.76 = 15,353.38 : x
  2. Step 2: Convert to fraction form
    28,503.64/42,767.76 = 15,353.38/x
  3. Step 3: Cross multiply
    28,503.64x = 42,767.76 × 15,353.38
  4. Step 4: Simplify right side
    28,503.64x = 656,629,671.03
  5. Step 5: Solve for x
    x = 656,629,671.03/28,503.64
  6. Step 6: Final answer
    x = 23,036.70

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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.