Home / 28,239.60-42,350.74-9,514.62

Finding the Fourth Proportional to 28,239.60, 42,350.74 and 9,514.62

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Solution

The fourth proportional to 28,239.60, 42,350.74 and 9,514.62 is: 14,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.60 : 42,350.74 = 9,514.62 : x
  2. Step 2: Convert to fraction form
    28,239.60/42,350.74 = 9,514.62/x
  3. Step 3: Cross multiply
    28,239.60x = 42,350.74 × 9,514.62
  4. Step 4: Simplify right side
    28,239.60x = 402,951,197.82
  5. Step 5: Solve for x
    x = 402,951,197.82/28,239.60
  6. Step 6: Final answer
    x = 14,269.01

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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.