Home / 28,271.88-42,412.44-9,553.68

Finding the Fourth Proportional to 28,271.88, 42,412.44 and 9,553.68

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Solution

The fourth proportional to 28,271.88, 42,412.44 and 9,553.68 is: 14,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.88 : 42,412.44 = 9,553.68 : x
  2. Step 2: Convert to fraction form
    28,271.88/42,412.44 = 9,553.68/x
  3. Step 3: Cross multiply
    28,271.88x = 42,412.44 × 9,553.68
  4. Step 4: Simplify right side
    28,271.88x = 405,194,879.78
  5. Step 5: Solve for x
    x = 405,194,879.78/28,271.88
  6. Step 6: Final answer
    x = 14,332.08

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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.