Home / 28,295.73-42,443.55-7,519.23

Finding the Fourth Proportional to 28,295.73, 42,443.55 and 7,519.23

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Solution

The fourth proportional to 28,295.73, 42,443.55 and 7,519.23 is: 11,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.73 : 42,443.55 = 7,519.23 : x
  2. Step 2: Convert to fraction form
    28,295.73/42,443.55 = 7,519.23/x
  3. Step 3: Cross multiply
    28,295.73x = 42,443.55 × 7,519.23
  4. Step 4: Simplify right side
    28,295.73x = 319,142,814.47
  5. Step 5: Solve for x
    x = 319,142,814.47/28,295.73
  6. Step 6: Final answer
    x = 11,278.83

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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.