Home / 28,432.36-42,648.54-27,654.76

Finding the Fourth Proportional to 28,432.36, 42,648.54 and 27,654.76

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Solution

The fourth proportional to 28,432.36, 42,648.54 and 27,654.76 is: 41,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.36 : 42,648.54 = 27,654.76 : x
  2. Step 2: Convert to fraction form
    28,432.36/42,648.54 = 27,654.76/x
  3. Step 3: Cross multiply
    28,432.36x = 42,648.54 × 27,654.76
  4. Step 4: Simplify right side
    28,432.36x = 1,179,435,138.05
  5. Step 5: Solve for x
    x = 1,179,435,138.05/28,432.36
  6. Step 6: Final answer
    x = 41,482.14

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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.