Home / 28,299.60-42,435.78-10,524.54

Finding the Fourth Proportional to 28,299.60, 42,435.78 and 10,524.54

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Solution

The fourth proportional to 28,299.60, 42,435.78 and 10,524.54 is: 15,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.60 : 42,435.78 = 10,524.54 : x
  2. Step 2: Convert to fraction form
    28,299.60/42,435.78 = 10,524.54/x
  3. Step 3: Cross multiply
    28,299.60x = 42,435.78 × 10,524.54
  4. Step 4: Simplify right side
    28,299.60x = 446,617,064.04
  5. Step 5: Solve for x
    x = 446,617,064.04/28,299.60
  6. Step 6: Final answer
    x = 15,781.74

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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.