Home / 28,629.96-42,624.23-28,491.45

Finding the Fourth Proportional to 28,629.96, 42,624.23 and 28,491.45

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Solution

The fourth proportional to 28,629.96, 42,624.23 and 28,491.45 is: 42,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.96 : 42,624.23 = 28,491.45 : x
  2. Step 2: Convert to fraction form
    28,629.96/42,624.23 = 28,491.45/x
  3. Step 3: Cross multiply
    28,629.96x = 42,624.23 × 28,491.45
  4. Step 4: Simplify right side
    28,629.96x = 1,214,425,815.54
  5. Step 5: Solve for x
    x = 1,214,425,815.54/28,629.96
  6. Step 6: Final answer
    x = 42,418.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.