Home / 28,251.48-42,379.02-9,533.40

Finding the Fourth Proportional to 28,251.48, 42,379.02 and 9,533.40

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Solution

The fourth proportional to 28,251.48, 42,379.02 and 9,533.40 is: 14,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.48 : 42,379.02 = 9,533.40 : x
  2. Step 2: Convert to fraction form
    28,251.48/42,379.02 = 9,533.40/x
  3. Step 3: Cross multiply
    28,251.48x = 42,379.02 × 9,533.40
  4. Step 4: Simplify right side
    28,251.48x = 404,016,149.27
  5. Step 5: Solve for x
    x = 404,016,149.27/28,251.48
  6. Step 6: Final answer
    x = 14,300.71

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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.